Home / 79,248,000.20-118,872,000.30-66,493,416.20

Finding the Fourth Proportional to 79,248,000.20, 118,872,000.30 and 66,493,416.20

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Solution

The fourth proportional to 79,248,000.20, 118,872,000.30 and 66,493,416.20 is: 99,740,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248,000.20 : 118,872,000.30 = 66,493,416.20 : x
  2. Step 2: Convert to fraction form
    79,248,000.20/118,872,000.30 = 66,493,416.20/x
  3. Step 3: Cross multiply
    79,248,000.20x = 118,872,000.30 × 66,493,416.20
  4. Step 4: Simplify right side
    79,248,000.20x = 7,904,205,390,474,425
  5. Step 5: Solve for x
    x = 7,904,205,390,474,425/79,248,000.20
  6. Step 6: Final answer
    x = 99,740,124.30

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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.