Home / 65,581,428.80-98,372,143.20-31,494,555.20

Finding the Fourth Proportional to 65,581,428.80, 98,372,143.20 and 31,494,555.20

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Solution

The fourth proportional to 65,581,428.80, 98,372,143.20 and 31,494,555.20 is: 47,241,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581,428.80 : 98,372,143.20 = 31,494,555.20 : x
  2. Step 2: Convert to fraction form
    65,581,428.80/98,372,143.20 = 31,494,555.20/x
  3. Step 3: Cross multiply
    65,581,428.80x = 98,372,143.20 × 31,494,555.20
  4. Step 4: Simplify right side
    65,581,428.80x = 3,098,186,894,154,704.50
  5. Step 5: Solve for x
    x = 3,098,186,894,154,704.50/65,581,428.80
  6. Step 6: Final answer
    x = 47,241,832.80

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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.