Home / 55,465,328.72-76,541,892.36-31,019,139.92

Finding the Fourth Proportional to 55,465,328.72, 76,541,892.36 and 31,019,139.92

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Solution

The fourth proportional to 55,465,328.72, 76,541,892.36 and 31,019,139.92 is: 42,806,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465,328.72 : 76,541,892.36 = 31,019,139.92 : x
  2. Step 2: Convert to fraction form
    55,465,328.72/76,541,892.36 = 31,019,139.92/x
  3. Step 3: Cross multiply
    55,465,328.72x = 76,541,892.36 × 31,019,139.92
  4. Step 4: Simplify right side
    55,465,328.72x = 2,374,263,668,856,419
  5. Step 5: Solve for x
    x = 2,374,263,668,856,419/55,465,328.72
  6. Step 6: Final answer
    x = 42,806,266.97

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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.