Home / 57,092,206.08-78,787,318.24-30,986,721.12

Finding the Fourth Proportional to 57,092,206.08, 78,787,318.24 and 30,986,721.12

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Solution

The fourth proportional to 57,092,206.08, 78,787,318.24 and 30,986,721.12 is: 42,761,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,206.08 : 78,787,318.24 = 30,986,721.12 : x
  2. Step 2: Convert to fraction form
    57,092,206.08/78,787,318.24 = 30,986,721.12/x
  3. Step 3: Cross multiply
    57,092,206.08x = 78,787,318.24 × 30,986,721.12
  4. Step 4: Simplify right side
    57,092,206.08x = 2,441,360,658,095,569
  5. Step 5: Solve for x
    x = 2,441,360,658,095,569/57,092,206.08
  6. Step 6: Final answer
    x = 42,761,715.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.