Home / 102,250,276.80-153,375,415.20-79,407,499.20

Finding the Fourth Proportional to 102,250,276.80, 153,375,415.20 and 79,407,499.20

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Solution

The fourth proportional to 102,250,276.80, 153,375,415.20 and 79,407,499.20 is: 119,111,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,250,276.80 : 153,375,415.20 = 79,407,499.20 : x
  2. Step 2: Convert to fraction form
    102,250,276.80/153,375,415.20 = 79,407,499.20/x
  3. Step 3: Cross multiply
    102,250,276.80x = 153,375,415.20 × 79,407,499.20
  4. Step 4: Simplify right side
    102,250,276.80x = 12,179,158,159,793,668
  5. Step 5: Solve for x
    x = 12,179,158,159,793,668/102,250,276.80
  6. Step 6: Final answer
    x = 119,111,248.80

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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.