Home / 99,557,687.10-149,336,530.65-89,354,019.90

Finding the Fourth Proportional to 99,557,687.10, 149,336,530.65 and 89,354,019.90

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Solution

The fourth proportional to 99,557,687.10, 149,336,530.65 and 89,354,019.90 is: 134,031,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,687.10 : 149,336,530.65 = 89,354,019.90 : x
  2. Step 2: Convert to fraction form
    99,557,687.10/149,336,530.65 = 89,354,019.90/x
  3. Step 3: Cross multiply
    99,557,687.10x = 149,336,530.65 × 89,354,019.90
  4. Step 4: Simplify right side
    99,557,687.10x = 13,343,819,331,497,062
  5. Step 5: Solve for x
    x = 13,343,819,331,497,062/99,557,687.10
  6. Step 6: Final answer
    x = 134,031,029.85

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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.