Home / 83,140,992,013.80-124,711,488,020.70-21,102,695,437.80

Finding the Fourth Proportional to 83,140,992,013.80, 124,711,488,020.70 and 21,102,695,437.80

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Solution

The fourth proportional to 83,140,992,013.80, 124,711,488,020.70 and 21,102,695,437.80 is: 31,654,043,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140,992,013.80 : 124,711,488,020.70 = 21,102,695,437.80 : x
  2. Step 2: Convert to fraction form
    83,140,992,013.80/124,711,488,020.70 = 21,102,695,437.80/x
  3. Step 3: Cross multiply
    83,140,992,013.80x = 124,711,488,020.70 × 21,102,695,437.80
  4. Step 4: Simplify right side
    83,140,992,013.80x = 2,631,748,549,295,675,015,168
  5. Step 5: Solve for x
    x = 2,631,748,549,295,675,015,168/83,140,992,013.80
  6. Step 6: Final answer
    x = 31,654,043,156.70

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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.