Home / 54,215,681.28-74,824,381.44-31,007,587.20

Finding the Fourth Proportional to 54,215,681.28, 74,824,381.44 and 31,007,587.20

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Solution

The fourth proportional to 54,215,681.28, 74,824,381.44 and 31,007,587.20 is: 42,794,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215,681.28 : 74,824,381.44 = 31,007,587.20 : x
  2. Step 2: Convert to fraction form
    54,215,681.28/74,824,381.44 = 31,007,587.20/x
  3. Step 3: Cross multiply
    54,215,681.28x = 74,824,381.44 × 31,007,587.20
  4. Step 4: Simplify right side
    54,215,681.28x = 2,320,123,532,186,861.50
  5. Step 5: Solve for x
    x = 2,320,123,532,186,861.50/54,215,681.28
  6. Step 6: Final answer
    x = 42,794,325.87

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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.