Home / 99,794,237.10-149,691,355.65-85,181,577.90

Finding the Fourth Proportional to 99,794,237.10, 149,691,355.65 and 85,181,577.90

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Solution

The fourth proportional to 99,794,237.10, 149,691,355.65 and 85,181,577.90 is: 127,772,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,237.10 : 149,691,355.65 = 85,181,577.90 : x
  2. Step 2: Convert to fraction form
    99,794,237.10/149,691,355.65 = 85,181,577.90/x
  3. Step 3: Cross multiply
    99,794,237.10x = 149,691,355.65 × 85,181,577.90
  4. Step 4: Simplify right side
    99,794,237.10x = 12,750,945,872,257,082
  5. Step 5: Solve for x
    x = 12,750,945,872,257,082/99,794,237.10
  6. Step 6: Final answer
    x = 127,772,366.85

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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.