Home / 78,732,000.30-118,098,000.45-73,693,152.30

Finding the Fourth Proportional to 78,732,000.30, 118,098,000.45 and 73,693,152.30

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Solution

The fourth proportional to 78,732,000.30, 118,098,000.45 and 73,693,152.30 is: 110,539,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,000.30 : 118,098,000.45 = 73,693,152.30 : x
  2. Step 2: Convert to fraction form
    78,732,000.30/118,098,000.45 = 73,693,152.30/x
  3. Step 3: Cross multiply
    78,732,000.30x = 118,098,000.45 × 73,693,152.30
  4. Step 4: Simplify right side
    78,732,000.30x = 8,703,013,933,487,318
  5. Step 5: Solve for x
    x = 8,703,013,933,487,318/78,732,000.30
  6. Step 6: Final answer
    x = 110,539,728.45

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Similar ratio
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1.5x scale

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.