Home / 108,683,346.30-163,025,019.45-72,403,640.70

Finding the Fourth Proportional to 108,683,346.30, 163,025,019.45 and 72,403,640.70

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Solution

The fourth proportional to 108,683,346.30, 163,025,019.45 and 72,403,640.70 is: 108,605,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,683,346.30 : 163,025,019.45 = 72,403,640.70 : x
  2. Step 2: Convert to fraction form
    108,683,346.30/163,025,019.45 = 72,403,640.70/x
  3. Step 3: Cross multiply
    108,683,346.30x = 163,025,019.45 × 72,403,640.70
  4. Step 4: Simplify right side
    108,683,346.30x = 11,803,604,933,368,312
  5. Step 5: Solve for x
    x = 11,803,604,933,368,312/108,683,346.30
  6. Step 6: Final answer
    x = 108,605,461.05

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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.