Home / 170,058,454.20-255,087,681.30-72,997,644.60

Finding the Fourth Proportional to 170,058,454.20, 255,087,681.30 and 72,997,644.60

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Solution

The fourth proportional to 170,058,454.20, 255,087,681.30 and 72,997,644.60 is: 109,496,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,058,454.20 : 255,087,681.30 = 72,997,644.60 : x
  2. Step 2: Convert to fraction form
    170,058,454.20/255,087,681.30 = 72,997,644.60/x
  3. Step 3: Cross multiply
    170,058,454.20x = 255,087,681.30 × 72,997,644.60
  4. Step 4: Simplify right side
    170,058,454.20x = 18,620,799,901,375,464
  5. Step 5: Solve for x
    x = 18,620,799,901,375,464/170,058,454.20
  6. Step 6: Final answer
    x = 109,496,466.90

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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.