Home / 432,309,082.95-648,503,488.40-141,177,731.54

Finding the Fourth Proportional to 432,309,082.95, 648,503,488.40 and 141,177,731.54

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Solution

The fourth proportional to 432,309,082.95, 648,503,488.40 and 141,177,731.54 is: 211,779,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,309,082.95 : 648,503,488.40 = 141,177,731.54 : x
  2. Step 2: Convert to fraction form
    432,309,082.95/648,503,488.40 = 141,177,731.54/x
  3. Step 3: Cross multiply
    432,309,082.95x = 648,503,488.40 × 141,177,731.54
  4. Step 4: Simplify right side
    432,309,082.95x = 91,554,251,384,140,288
  5. Step 5: Solve for x
    x = 91,554,251,384,140,288/432,309,082.95
  6. Step 6: Final answer
    x = 211,779,615.55

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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.