Home / 129,084,632.90-193,684,128.27-67,659,193.46

Finding the Fourth Proportional to 129,084,632.90, 193,684,128.27 and 67,659,193.46

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Solution

The fourth proportional to 129,084,632.90, 193,684,128.27 and 67,659,193.46 is: 101,518,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,084,632.90 : 193,684,128.27 = 67,659,193.46 : x
  2. Step 2: Convert to fraction form
    129,084,632.90/193,684,128.27 = 67,659,193.46/x
  3. Step 3: Cross multiply
    129,084,632.90x = 193,684,128.27 × 67,659,193.46
  4. Step 4: Simplify right side
    129,084,632.90x = 13,104,511,904,751,384
  5. Step 5: Solve for x
    x = 13,104,511,904,751,384/129,084,632.90
  6. Step 6: Final answer
    x = 101,518,760.29

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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.