Home / 99,656,670.30-149,485,005.45-39,072,396.30

Finding the Fourth Proportional to 99,656,670.30, 149,485,005.45 and 39,072,396.30

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Solution

The fourth proportional to 99,656,670.30, 149,485,005.45 and 39,072,396.30 is: 58,608,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656,670.30 : 149,485,005.45 = 39,072,396.30 : x
  2. Step 2: Convert to fraction form
    99,656,670.30/149,485,005.45 = 39,072,396.30/x
  3. Step 3: Cross multiply
    99,656,670.30x = 149,485,005.45 × 39,072,396.30
  4. Step 4: Simplify right side
    99,656,670.30x = 5,840,737,373,850,059
  5. Step 5: Solve for x
    x = 5,840,737,373,850,059/99,656,670.30
  6. Step 6: Final answer
    x = 58,608,594.45

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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.