Home / 78,940,323.52-118,418,608-29,797,569.48

Finding the Fourth Proportional to 78,940,323.52, 118,418,608 and 29,797,569.48

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Solution

The fourth proportional to 78,940,323.52, 118,418,608 and 29,797,569.48 is: 44,699,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940,323.52 : 118,418,608 = 29,797,569.48 : x
  2. Step 2: Convert to fraction form
    78,940,323.52/118,418,608 = 29,797,569.48/x
  3. Step 3: Cross multiply
    78,940,323.52x = 118,418,608 × 29,797,569.48
  4. Step 4: Simplify right side
    78,940,323.52x = 3,528,586,699,604,884
  5. Step 5: Solve for x
    x = 3,528,586,699,604,884/78,940,323.52
  6. Step 6: Final answer
    x = 44,699,420.30

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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.