Home / 90,856,658.21-136,301,914.73-29,440,340.06

Finding the Fourth Proportional to 90,856,658.21, 136,301,914.73 and 29,440,340.06

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Solution

The fourth proportional to 90,856,658.21, 136,301,914.73 and 29,440,340.06 is: 44,165,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856,658.21 : 136,301,914.73 = 29,440,340.06 : x
  2. Step 2: Convert to fraction form
    90,856,658.21/136,301,914.73 = 29,440,340.06/x
  3. Step 3: Cross multiply
    90,856,658.21x = 136,301,914.73 × 29,440,340.06
  4. Step 4: Simplify right side
    90,856,658.21x = 4,012,774,719,872,414
  5. Step 5: Solve for x
    x = 4,012,774,719,872,414/90,856,658.21
  6. Step 6: Final answer
    x = 44,165,995.09

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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.