Home / 56,151,839.40-84,290,744.70-43,428,748.20

Finding the Fourth Proportional to 56,151,839.40, 84,290,744.70 and 43,428,748.20

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Solution

The fourth proportional to 56,151,839.40, 84,290,744.70 and 43,428,748.20 is: 65,191,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151,839.40 : 84,290,744.70 = 43,428,748.20 : x
  2. Step 2: Convert to fraction form
    56,151,839.40/84,290,744.70 = 43,428,748.20/x
  3. Step 3: Cross multiply
    56,151,839.40x = 84,290,744.70 × 43,428,748.20
  4. Step 4: Simplify right side
    56,151,839.40x = 3,660,641,527,166,785
  5. Step 5: Solve for x
    x = 3,660,641,527,166,785/56,151,839.40
  6. Step 6: Final answer
    x = 65,191,836.39

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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.