Home / 74,748,783.30-112,002,452.55-42,304,200.90

Finding the Fourth Proportional to 74,748,783.30, 112,002,452.55 and 42,304,200.90

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Solution

The fourth proportional to 74,748,783.30, 112,002,452.55 and 42,304,200.90 is: 63,387,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,783.30 : 112,002,452.55 = 42,304,200.90 : x
  2. Step 2: Convert to fraction form
    74,748,783.30/112,002,452.55 = 42,304,200.90/x
  3. Step 3: Cross multiply
    74,748,783.30x = 112,002,452.55 × 42,304,200.90
  4. Step 4: Simplify right side
    74,748,783.30x = 4,738,174,253,967,917
  5. Step 5: Solve for x
    x = 4,738,174,253,967,917/74,748,783.30
  6. Step 6: Final answer
    x = 63,387,978.30

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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.