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Finding the Fourth Proportional to 169,129,347.20, 253,694,020.80 and 101,104,899.20

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Solution

The fourth proportional to 169,129,347.20, 253,694,020.80 and 101,104,899.20 is: 151,657,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,129,347.20 : 253,694,020.80 = 101,104,899.20 : x
  2. Step 2: Convert to fraction form
    169,129,347.20/253,694,020.80 = 101,104,899.20/x
  3. Step 3: Cross multiply
    169,129,347.20x = 253,694,020.80 × 101,104,899.20
  4. Step 4: Simplify right side
    169,129,347.20x = 25,649,708,400,626,704
  5. Step 5: Solve for x
    x = 25,649,708,400,626,704/169,129,347.20
  6. Step 6: Final answer
    x = 151,657,348.80

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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.