Home / 115,172,319.80-158,091,782.17-101,827,245.80

Finding the Fourth Proportional to 115,172,319.80, 158,091,782.17 and 101,827,245.80

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Solution

The fourth proportional to 115,172,319.80, 158,091,782.17 and 101,827,245.80 is: 139,773,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,172,319.80 : 158,091,782.17 = 101,827,245.80 : x
  2. Step 2: Convert to fraction form
    115,172,319.80/158,091,782.17 = 101,827,245.80/x
  3. Step 3: Cross multiply
    115,172,319.80x = 158,091,782.17 × 101,827,245.80
  4. Step 4: Simplify right side
    115,172,319.80x = 16,098,050,761,984,646
  5. Step 5: Solve for x
    x = 16,098,050,761,984,646/115,172,319.80
  6. Step 6: Final answer
    x = 139,773,608.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.