Home / 82,476,095.60-123,714,143.40-81,972,210.80

Finding the Fourth Proportional to 82,476,095.60, 123,714,143.40 and 81,972,210.80

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Solution

The fourth proportional to 82,476,095.60, 123,714,143.40 and 81,972,210.80 is: 122,958,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,476,095.60 : 123,714,143.40 = 81,972,210.80 : x
  2. Step 2: Convert to fraction form
    82,476,095.60/123,714,143.40 = 81,972,210.80/x
  3. Step 3: Cross multiply
    82,476,095.60x = 123,714,143.40 × 81,972,210.80
  4. Step 4: Simplify right side
    82,476,095.60x = 10,141,121,841,726,228
  5. Step 5: Solve for x
    x = 10,141,121,841,726,228/82,476,095.60
  6. Step 6: Final answer
    x = 122,958,316.20

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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.