Home / 157,440,972.40-236,205,695.40-76,664,575.60

Finding the Fourth Proportional to 157,440,972.40, 236,205,695.40 and 76,664,575.60

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Solution

The fourth proportional to 157,440,972.40, 236,205,695.40 and 76,664,575.60 is: 115,018,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440,972.40 : 236,205,695.40 = 76,664,575.60 : x
  2. Step 2: Convert to fraction form
    157,440,972.40/236,205,695.40 = 76,664,575.60/x
  3. Step 3: Cross multiply
    157,440,972.40x = 236,205,695.40 × 76,664,575.60
  4. Step 4: Simplify right side
    157,440,972.40x = 18,108,609,392,143,872
  5. Step 5: Solve for x
    x = 18,108,609,392,143,872/157,440,972.40
  6. Step 6: Final answer
    x = 115,018,404.14

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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.