Home / 312,585,471.09-468,945,916.16-94,217,545.17

Finding the Fourth Proportional to 312,585,471.09, 468,945,916.16 and 94,217,545.17

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Solution

The fourth proportional to 312,585,471.09, 468,945,916.16 and 94,217,545.17 is: 141,346,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,585,471.09 : 468,945,916.16 = 94,217,545.17 : x
  2. Step 2: Convert to fraction form
    312,585,471.09/468,945,916.16 = 94,217,545.17/x
  3. Step 3: Cross multiply
    312,585,471.09x = 468,945,916.16 × 94,217,545.17
  4. Step 4: Simplify right side
    312,585,471.09x = 44,182,933,037,620,744
  5. Step 5: Solve for x
    x = 44,182,933,037,620,744/312,585,471.09
  6. Step 6: Final answer
    x = 141,346,726.33

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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.