Home / 113,910,780.18-157,196,882.04-61,699,815.84

Finding the Fourth Proportional to 113,910,780.18, 157,196,882.04 and 61,699,815.84

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Solution

The fourth proportional to 113,910,780.18, 157,196,882.04 and 61,699,815.84 is: 85,145,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910,780.18 : 157,196,882.04 = 61,699,815.84 : x
  2. Step 2: Convert to fraction form
    113,910,780.18/157,196,882.04 = 61,699,815.84/x
  3. Step 3: Cross multiply
    113,910,780.18x = 157,196,882.04 × 61,699,815.84
  4. Step 4: Simplify right side
    113,910,780.18x = 9,699,018,672,490,204
  5. Step 5: Solve for x
    x = 9,699,018,672,490,204/113,910,780.18
  6. Step 6: Final answer
    x = 85,145,748.78

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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.