Home / 91,108,772.35-136,695,044.78-26,416,459.42

Finding the Fourth Proportional to 91,108,772.35, 136,695,044.78 and 26,416,459.42

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Solution

The fourth proportional to 91,108,772.35, 136,695,044.78 and 26,416,459.42 is: 39,633,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,108,772.35 : 136,695,044.78 = 26,416,459.42 : x
  2. Step 2: Convert to fraction form
    91,108,772.35/136,695,044.78 = 26,416,459.42/x
  3. Step 3: Cross multiply
    91,108,772.35x = 136,695,044.78 × 26,416,459.42
  4. Step 4: Simplify right side
    91,108,772.35x = 3,610,999,103,345,953
  5. Step 5: Solve for x
    x = 3,610,999,103,345,953/91,108,772.35
  6. Step 6: Final answer
    x = 39,633,934.36

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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.