Home / 86,542,487.52-129,792,476.88-29,033,472.48

Finding the Fourth Proportional to 86,542,487.52, 129,792,476.88 and 29,033,472.48

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Solution

The fourth proportional to 86,542,487.52, 129,792,476.88 and 29,033,472.48 is: 43,543,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,542,487.52 : 129,792,476.88 = 29,033,472.48 : x
  2. Step 2: Convert to fraction form
    86,542,487.52/129,792,476.88 = 29,033,472.48/x
  3. Step 3: Cross multiply
    86,542,487.52x = 129,792,476.88 × 29,033,472.48
  4. Step 4: Simplify right side
    86,542,487.52x = 3,768,326,305,606,516
  5. Step 5: Solve for x
    x = 3,768,326,305,606,516/86,542,487.52
  6. Step 6: Final answer
    x = 43,543,078.25

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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.