Home / 84,564,280.80-126,846,421.20-63,040,920.30

Finding the Fourth Proportional to 84,564,280.80, 126,846,421.20 and 63,040,920.30

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Solution

The fourth proportional to 84,564,280.80, 126,846,421.20 and 63,040,920.30 is: 94,561,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,280.80 : 126,846,421.20 = 63,040,920.30 : x
  2. Step 2: Convert to fraction form
    84,564,280.80/126,846,421.20 = 63,040,920.30/x
  3. Step 3: Cross multiply
    84,564,280.80x = 126,846,421.20 × 63,040,920.30
  4. Step 4: Simplify right side
    84,564,280.80x = 7,996,515,129,209,430
  5. Step 5: Solve for x
    x = 7,996,515,129,209,430/84,564,280.80
  6. Step 6: Final answer
    x = 94,561,380.45

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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.