Home / 83,140,992,003.30-124,711,488,004.95-21,102,695,427.30

Finding the Fourth Proportional to 83,140,992,003.30, 124,711,488,004.95 and 21,102,695,427.30

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Solution

The fourth proportional to 83,140,992,003.30, 124,711,488,004.95 and 21,102,695,427.30 is: 31,654,043,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140,992,003.30 : 124,711,488,004.95 = 21,102,695,427.30 : x
  2. Step 2: Convert to fraction form
    83,140,992,003.30/124,711,488,004.95 = 21,102,695,427.30/x
  3. Step 3: Cross multiply
    83,140,992,003.30x = 124,711,488,004.95 × 21,102,695,427.30
  4. Step 4: Simplify right side
    83,140,992,003.30x = 2,631,748,547,653,837,258,752
  5. Step 5: Solve for x
    x = 2,631,748,547,653,837,258,752/83,140,992,003.30
  6. Step 6: Final answer
    x = 31,654,043,140.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.