Home / 42,100,200.90-63,150,301.35-36,893,391.30

Finding the Fourth Proportional to 42,100,200.90, 63,150,301.35 and 36,893,391.30

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Solution

The fourth proportional to 42,100,200.90, 63,150,301.35 and 36,893,391.30 is: 55,340,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,100,200.90 : 63,150,301.35 = 36,893,391.30 : x
  2. Step 2: Convert to fraction form
    42,100,200.90/63,150,301.35 = 36,893,391.30/x
  3. Step 3: Cross multiply
    42,100,200.90x = 63,150,301.35 × 36,893,391.30
  4. Step 4: Simplify right side
    42,100,200.90x = 2,329,828,778,418,468
  5. Step 5: Solve for x
    x = 2,329,828,778,418,468/42,100,200.90
  6. Step 6: Final answer
    x = 55,340,086.95

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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.