Home / 93,439,884.90-140,158,515.15-42,321,821.70

Finding the Fourth Proportional to 93,439,884.90, 140,158,515.15 and 42,321,821.70

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Solution

The fourth proportional to 93,439,884.90, 140,158,515.15 and 42,321,821.70 is: 63,482,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,439,884.90 : 140,158,515.15 = 42,321,821.70 : x
  2. Step 2: Convert to fraction form
    93,439,884.90/140,158,515.15 = 42,321,821.70/x
  3. Step 3: Cross multiply
    93,439,884.90x = 140,158,515.15 × 42,321,821.70
  4. Step 4: Simplify right side
    93,439,884.90x = 5,931,763,687,915,049
  5. Step 5: Solve for x
    x = 5,931,763,687,915,049/93,439,884.90
  6. Step 6: Final answer
    x = 63,482,138.21

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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.