Home / 72,344,341.30-108,642,483.15-38,332,117.30

Finding the Fourth Proportional to 72,344,341.30, 108,642,483.15 and 38,332,117.30

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Solution

The fourth proportional to 72,344,341.30, 108,642,483.15 and 38,332,117.30 is: 57,564,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344,341.30 : 108,642,483.15 = 38,332,117.30 : x
  2. Step 2: Convert to fraction form
    72,344,341.30/108,642,483.15 = 38,332,117.30/x
  3. Step 3: Cross multiply
    72,344,341.30x = 108,642,483.15 × 38,332,117.30
  4. Step 4: Simplify right side
    72,344,341.30x = 4,164,496,407,869,073.50
  5. Step 5: Solve for x
    x = 4,164,496,407,869,073.50/72,344,341.30
  6. Step 6: Final answer
    x = 57,564,922.61

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