Home / 72,746,429.10-109,119,643.65-29,593,419.90

Finding the Fourth Proportional to 72,746,429.10, 109,119,643.65 and 29,593,419.90

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Solution

The fourth proportional to 72,746,429.10, 109,119,643.65 and 29,593,419.90 is: 44,390,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,746,429.10 : 109,119,643.65 = 29,593,419.90 : x
  2. Step 2: Convert to fraction form
    72,746,429.10/109,119,643.65 = 29,593,419.90/x
  3. Step 3: Cross multiply
    72,746,429.10x = 109,119,643.65 × 29,593,419.90
  4. Step 4: Simplify right side
    72,746,429.10x = 3,229,223,433,872,818.50
  5. Step 5: Solve for x
    x = 3,229,223,433,872,818.50/72,746,429.10
  6. Step 6: Final answer
    x = 44,390,129.85

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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.