Home / 123,884,890.70-170,912,764.82-70,933,301.38

Finding the Fourth Proportional to 123,884,890.70, 170,912,764.82 and 70,933,301.38

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Solution

The fourth proportional to 123,884,890.70, 170,912,764.82 and 70,933,301.38 is: 97,860,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,884,890.70 : 170,912,764.82 = 70,933,301.38 : x
  2. Step 2: Convert to fraction form
    123,884,890.70/170,912,764.82 = 70,933,301.38/x
  3. Step 3: Cross multiply
    123,884,890.70x = 170,912,764.82 × 70,933,301.38
  4. Step 4: Simplify right side
    123,884,890.70x = 12,123,406,656,416,172
  5. Step 5: Solve for x
    x = 12,123,406,656,416,172/123,884,890.70
  6. Step 6: Final answer
    x = 97,860,252.27

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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.