Home / 409,575,807.77-614,375,158.43-133,227,022.90

Finding the Fourth Proportional to 409,575,807.77, 614,375,158.43 and 133,227,022.90

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Solution

The fourth proportional to 409,575,807.77, 614,375,158.43 and 133,227,022.90 is: 199,844,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,575,807.77 : 614,375,158.43 = 133,227,022.90 : x
  2. Step 2: Convert to fraction form
    409,575,807.77/614,375,158.43 = 133,227,022.90/x
  3. Step 3: Cross multiply
    409,575,807.77x = 614,375,158.43 × 133,227,022.90
  4. Step 4: Simplify right side
    409,575,807.77x = 81,851,373,301,344,736
  5. Step 5: Solve for x
    x = 81,851,373,301,344,736/409,575,807.77
  6. Step 6: Final answer
    x = 199,844,257.76

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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.