Home / 74,156,961.90-111,235,442.85-51,198,710.70

Finding the Fourth Proportional to 74,156,961.90, 111,235,442.85 and 51,198,710.70

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Solution

The fourth proportional to 74,156,961.90, 111,235,442.85 and 51,198,710.70 is: 76,798,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156,961.90 : 111,235,442.85 = 51,198,710.70 : x
  2. Step 2: Convert to fraction form
    74,156,961.90/111,235,442.85 = 51,198,710.70/x
  3. Step 3: Cross multiply
    74,156,961.90x = 111,235,442.85 × 51,198,710.70
  4. Step 4: Simplify right side
    74,156,961.90x = 5,695,111,258,063,534
  5. Step 5: Solve for x
    x = 5,695,111,258,063,534/74,156,961.90
  6. Step 6: Final answer
    x = 76,798,066.05

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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.