Home / 125,472,791.16-187,936,636.32-60,640,630.11

Finding the Fourth Proportional to 125,472,791.16, 187,936,636.32 and 60,640,630.11

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Solution

The fourth proportional to 125,472,791.16, 187,936,636.32 and 60,640,630.11 is: 90,829,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,472,791.16 : 187,936,636.32 = 60,640,630.11 : x
  2. Step 2: Convert to fraction form
    125,472,791.16/187,936,636.32 = 60,640,630.11/x
  3. Step 3: Cross multiply
    125,472,791.16x = 187,936,636.32 × 60,640,630.11
  4. Step 4: Simplify right side
    125,472,791.16x = 11,396,596,047,198,712
  5. Step 5: Solve for x
    x = 11,396,596,047,198,712/125,472,791.16
  6. Step 6: Final answer
    x = 90,829,222.35

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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.