Home / 188,350,962.35-259,938,885.51-113,000,111.73

Finding the Fourth Proportional to 188,350,962.35, 259,938,885.51 and 113,000,111.73

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Solution

The fourth proportional to 188,350,962.35, 259,938,885.51 and 113,000,111.73 is: 155,948,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,350,962.35 : 259,938,885.51 = 113,000,111.73 : x
  2. Step 2: Convert to fraction form
    188,350,962.35/259,938,885.51 = 113,000,111.73/x
  3. Step 3: Cross multiply
    188,350,962.35x = 259,938,885.51 × 113,000,111.73
  4. Step 4: Simplify right side
    188,350,962.35x = 29,373,123,105,601,680
  5. Step 5: Solve for x
    x = 29,373,123,105,601,680/188,350,962.35
  6. Step 6: Final answer
    x = 155,948,887.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.