Home / 101,910,915.62-152,715,207.92-74,852,301.86

Finding the Fourth Proportional to 101,910,915.62, 152,715,207.92 and 74,852,301.86

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Solution

The fourth proportional to 101,910,915.62, 152,715,207.92 and 74,852,301.86 is: 112,167,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,915.62 : 152,715,207.92 = 74,852,301.86 : x
  2. Step 2: Convert to fraction form
    101,910,915.62/152,715,207.92 = 74,852,301.86/x
  3. Step 3: Cross multiply
    101,910,915.62x = 152,715,207.92 × 74,852,301.86
  4. Step 4: Simplify right side
    101,910,915.62x = 11,431,084,841,556,042
  5. Step 5: Solve for x
    x = 11,431,084,841,556,042/101,910,915.62
  6. Step 6: Final answer
    x = 112,167,423.60

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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.