Home / 99,712,449-149,588,064.96-38,297,115

Finding the Fourth Proportional to 99,712,449, 149,588,064.96 and 38,297,115

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Solution

The fourth proportional to 99,712,449, 149,588,064.96 and 38,297,115 is: 57,453,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712,449 : 149,588,064.96 = 38,297,115 : x
  2. Step 2: Convert to fraction form
    99,712,449/149,588,064.96 = 38,297,115/x
  3. Step 3: Cross multiply
    99,712,449x = 149,588,064.96 × 38,297,115
  4. Step 4: Simplify right side
    99,712,449x = 5,728,791,326,400,591
  5. Step 5: Solve for x
    x = 5,728,791,326,400,591/99,712,449
  6. Step 6: Final answer
    x = 57,453,120.29

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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.