Home / 78,265,700.46-107,982,446.13-45,213,890.00

Finding the Fourth Proportional to 78,265,700.46, 107,982,446.13 and 45,213,890.00

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Solution

The fourth proportional to 78,265,700.46, 107,982,446.13 and 45,213,890.00 is: 62,381,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,265,700.46 : 107,982,446.13 = 45,213,890.00 : x
  2. Step 2: Convert to fraction form
    78,265,700.46/107,982,446.13 = 45,213,890.00/x
  3. Step 3: Cross multiply
    78,265,700.46x = 107,982,446.13 × 45,213,890.00
  4. Step 4: Simplify right side
    78,265,700.46x = 4,882,306,440,712,833
  5. Step 5: Solve for x
    x = 4,882,306,440,712,833/78,265,700.46
  6. Step 6: Final answer
    x = 62,381,176.07

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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.