Home / 57,127,437.28-78,836,504.88-31,022,264.80

Finding the Fourth Proportional to 57,127,437.28, 78,836,504.88 and 31,022,264.80

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Solution

The fourth proportional to 57,127,437.28, 78,836,504.88 and 31,022,264.80 is: 42,811,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127,437.28 : 78,836,504.88 = 31,022,264.80 : x
  2. Step 2: Convert to fraction form
    57,127,437.28/78,836,504.88 = 31,022,264.80/x
  3. Step 3: Cross multiply
    57,127,437.28x = 78,836,504.88 × 31,022,264.80
  4. Step 4: Simplify right side
    57,127,437.28x = 2,445,686,930,293,852
  5. Step 5: Solve for x
    x = 2,445,686,930,293,852/57,127,437.28
  6. Step 6: Final answer
    x = 42,811,073.75

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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.