Home / 157,731,123.11-236,385,194.10-122,758,464.85

Finding the Fourth Proportional to 157,731,123.11, 236,385,194.10 and 122,758,464.85

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Solution

The fourth proportional to 157,731,123.11, 236,385,194.10 and 122,758,464.85 is: 183,973,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731,123.11 : 236,385,194.10 = 122,758,464.85 : x
  2. Step 2: Convert to fraction form
    157,731,123.11/236,385,194.10 = 122,758,464.85/x
  3. Step 3: Cross multiply
    157,731,123.11x = 236,385,194.10 × 122,758,464.85
  4. Step 4: Simplify right side
    157,731,123.11x = 29,018,283,539,189,560
  5. Step 5: Solve for x
    x = 29,018,283,539,189,560/157,731,123.11
  6. Step 6: Final answer
    x = 183,973,099.08

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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.