Home / 129,126,429.92-193,727,380.66-41,685,895.28

Finding the Fourth Proportional to 129,126,429.92, 193,727,380.66 and 41,685,895.28

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Solution

The fourth proportional to 129,126,429.92, 193,727,380.66 and 41,685,895.28 is: 62,541,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126,429.92 : 193,727,380.66 = 41,685,895.28 : x
  2. Step 2: Convert to fraction form
    129,126,429.92/193,727,380.66 = 41,685,895.28/x
  3. Step 3: Cross multiply
    129,126,429.92x = 193,727,380.66 × 41,685,895.28
  4. Step 4: Simplify right side
    129,126,429.92x = 8,075,699,303,441,561
  5. Step 5: Solve for x
    x = 8,075,699,303,441,561/129,126,429.92
  6. Step 6: Final answer
    x = 62,541,025.17

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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.