Home / 129,499,522.40-194,193,296.40-64,778,319.20

Finding the Fourth Proportional to 129,499,522.40, 194,193,296.40 and 64,778,319.20

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Solution

The fourth proportional to 129,499,522.40, 194,193,296.40 and 64,778,319.20 is: 97,139,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,499,522.40 : 194,193,296.40 = 64,778,319.20 : x
  2. Step 2: Convert to fraction form
    129,499,522.40/194,193,296.40 = 64,778,319.20/x
  3. Step 3: Cross multiply
    129,499,522.40x = 194,193,296.40 × 64,778,319.20
  4. Step 4: Simplify right side
    129,499,522.40x = 12,579,515,340,699,412
  5. Step 5: Solve for x
    x = 12,579,515,340,699,412/129,499,522.40
  6. Step 6: Final answer
    x = 97,139,472.85

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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.