Home / 99,908,936.73-149,873,682.38-37,712,640.15

Finding the Fourth Proportional to 99,908,936.73, 149,873,682.38 and 37,712,640.15

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Solution

The fourth proportional to 99,908,936.73, 149,873,682.38 and 37,712,640.15 is: 56,572,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,908,936.73 : 149,873,682.38 = 37,712,640.15 : x
  2. Step 2: Convert to fraction form
    99,908,936.73/149,873,682.38 = 37,712,640.15/x
  3. Step 3: Cross multiply
    99,908,936.73x = 149,873,682.38 × 37,712,640.15
  4. Step 4: Simplify right side
    99,908,936.73x = 5,652,132,251,363,772
  5. Step 5: Solve for x
    x = 5,652,132,251,363,772/99,908,936.73
  6. Step 6: Final answer
    x = 56,572,839.59

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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.