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Finding the Fourth Proportional to 93,394,743.20, 140,092,114.80 and 88,103,952.80

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Solution

The fourth proportional to 93,394,743.20, 140,092,114.80 and 88,103,952.80 is: 132,155,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,394,743.20 : 140,092,114.80 = 88,103,952.80 : x
  2. Step 2: Convert to fraction form
    93,394,743.20/140,092,114.80 = 88,103,952.80/x
  3. Step 3: Cross multiply
    93,394,743.20x = 140,092,114.80 × 88,103,952.80
  4. Step 4: Simplify right side
    93,394,743.20x = 12,342,669,069,991,382
  5. Step 5: Solve for x
    x = 12,342,669,069,991,382/93,394,743.20
  6. Step 6: Final answer
    x = 132,155,929.20

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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.