Home / 84,546,557.28-126,604,546.20-55,705,254.12

Finding the Fourth Proportional to 84,546,557.28, 126,604,546.20 and 55,705,254.12

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Solution

The fourth proportional to 84,546,557.28, 126,604,546.20 and 55,705,254.12 is: 83,416,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,546,557.28 : 126,604,546.20 = 55,705,254.12 : x
  2. Step 2: Convert to fraction form
    84,546,557.28/126,604,546.20 = 55,705,254.12/x
  3. Step 3: Cross multiply
    84,546,557.28x = 126,604,546.20 × 55,705,254.12
  4. Step 4: Simplify right side
    84,546,557.28x = 7,052,538,418,818,280
  5. Step 5: Solve for x
    x = 7,052,538,418,818,280/84,546,557.28
  6. Step 6: Final answer
    x = 83,416,033.08

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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.