Home / 99,653,612.43-149,429,213.69-45,036,614.91

Finding the Fourth Proportional to 99,653,612.43, 149,429,213.69 and 45,036,614.91

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Solution

The fourth proportional to 99,653,612.43, 149,429,213.69 and 45,036,614.91 is: 67,531,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,612.43 : 149,429,213.69 = 45,036,614.91 : x
  2. Step 2: Convert to fraction form
    99,653,612.43/149,429,213.69 = 45,036,614.91/x
  3. Step 3: Cross multiply
    99,653,612.43x = 149,429,213.69 × 45,036,614.91
  4. Step 4: Simplify right side
    99,653,612.43x = 6,729,785,953,035,447
  5. Step 5: Solve for x
    x = 6,729,785,953,035,447/99,653,612.43
  6. Step 6: Final answer
    x = 67,531,781.23

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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.