Home / 118,719,000.10-178,078,500.15-99,587,124.10

Finding the Fourth Proportional to 118,719,000.10, 178,078,500.15 and 99,587,124.10

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Solution

The fourth proportional to 118,719,000.10, 178,078,500.15 and 99,587,124.10 is: 149,380,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719,000.10 : 178,078,500.15 = 99,587,124.10 : x
  2. Step 2: Convert to fraction form
    118,719,000.10/178,078,500.15 = 99,587,124.10/x
  3. Step 3: Cross multiply
    118,719,000.10x = 178,078,500.15 × 99,587,124.10
  4. Step 4: Simplify right side
    118,719,000.10x = 17,734,325,693,979,918
  5. Step 5: Solve for x
    x = 17,734,325,693,979,918/118,719,000.10
  6. Step 6: Final answer
    x = 149,380,686.15

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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.