Home / 90,308,245.62-124,625,282.13-49,055,168.82

Finding the Fourth Proportional to 90,308,245.62, 124,625,282.13 and 49,055,168.82

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Solution

The fourth proportional to 90,308,245.62, 124,625,282.13 and 49,055,168.82 is: 67,696,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308,245.62 : 124,625,282.13 = 49,055,168.82 : x
  2. Step 2: Convert to fraction form
    90,308,245.62/124,625,282.13 = 49,055,168.82/x
  3. Step 3: Cross multiply
    90,308,245.62x = 124,625,282.13 × 49,055,168.82
  4. Step 4: Simplify right side
    90,308,245.62x = 6,113,514,254,127,279
  5. Step 5: Solve for x
    x = 6,113,514,254,127,279/90,308,245.62
  6. Step 6: Final answer
    x = 67,696,080.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.