Home / 68,471,207.83-102,706,805.51-30,132,721.93

Finding the Fourth Proportional to 68,471,207.83, 102,706,805.51 and 30,132,721.93

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Solution

The fourth proportional to 68,471,207.83, 102,706,805.51 and 30,132,721.93 is: 45,199,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471,207.83 : 102,706,805.51 = 30,132,721.93 : x
  2. Step 2: Convert to fraction form
    68,471,207.83/102,706,805.51 = 30,132,721.93/x
  3. Step 3: Cross multiply
    68,471,207.83x = 102,706,805.51 × 30,132,721.93
  4. Step 4: Simplify right side
    68,471,207.83x = 3,094,835,610,751,422
  5. Step 5: Solve for x
    x = 3,094,835,610,751,422/68,471,207.83
  6. Step 6: Final answer
    x = 45,199,080.15

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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.