Home / 123,584,105.60-170,554,053.48-68,579,961.92

Finding the Fourth Proportional to 123,584,105.60, 170,554,053.48 and 68,579,961.92

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Solution

The fourth proportional to 123,584,105.60, 170,554,053.48 and 68,579,961.92 is: 94,644,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584,105.60 : 170,554,053.48 = 68,579,961.92 : x
  2. Step 2: Convert to fraction form
    123,584,105.60/170,554,053.48 = 68,579,961.92/x
  3. Step 3: Cross multiply
    123,584,105.60x = 170,554,053.48 × 68,579,961.92
  4. Step 4: Simplify right side
    123,584,105.60x = 11,696,590,492,960,044
  5. Step 5: Solve for x
    x = 11,696,590,492,960,044/123,584,105.60
  6. Step 6: Final answer
    x = 94,644,780.06

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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.