Home / 72,345,909.40-108,518,864.10-62,604,136.60

Finding the Fourth Proportional to 72,345,909.40, 108,518,864.10 and 62,604,136.60

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Solution

The fourth proportional to 72,345,909.40, 108,518,864.10 and 62,604,136.60 is: 93,906,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,345,909.40 : 108,518,864.10 = 62,604,136.60 : x
  2. Step 2: Convert to fraction form
    72,345,909.40/108,518,864.10 = 62,604,136.60/x
  3. Step 3: Cross multiply
    72,345,909.40x = 108,518,864.10 × 62,604,136.60
  4. Step 4: Simplify right side
    72,345,909.40x = 6,793,729,791,793,236
  5. Step 5: Solve for x
    x = 6,793,729,791,793,236/72,345,909.40
  6. Step 6: Final answer
    x = 93,906,204.90

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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.