Home / 154,412,538.30-231,618,807.45-52,175,099.70

Finding the Fourth Proportional to 154,412,538.30, 231,618,807.45 and 52,175,099.70

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Solution

The fourth proportional to 154,412,538.30, 231,618,807.45 and 52,175,099.70 is: 78,262,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412,538.30 : 231,618,807.45 = 52,175,099.70 : x
  2. Step 2: Convert to fraction form
    154,412,538.30/231,618,807.45 = 52,175,099.70/x
  3. Step 3: Cross multiply
    154,412,538.30x = 231,618,807.45 × 52,175,099.70
  4. Step 4: Simplify right side
    154,412,538.30x = 12,084,734,371,098,852
  5. Step 5: Solve for x
    x = 12,084,734,371,098,852/154,412,538.30
  6. Step 6: Final answer
    x = 78,262,649.55

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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.