Home / 141,971,447.64-195,920,728.38-76,781,351.64

Finding the Fourth Proportional to 141,971,447.64, 195,920,728.38 and 76,781,351.64

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Solution

The fourth proportional to 141,971,447.64, 195,920,728.38 and 76,781,351.64 is: 105,958,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971,447.64 : 195,920,728.38 = 76,781,351.64 : x
  2. Step 2: Convert to fraction form
    141,971,447.64/195,920,728.38 = 76,781,351.64/x
  3. Step 3: Cross multiply
    141,971,447.64x = 195,920,728.38 × 76,781,351.64
  4. Step 4: Simplify right side
    141,971,447.64x = 15,043,058,339,309,708
  5. Step 5: Solve for x
    x = 15,043,058,339,309,708/141,971,447.64
  6. Step 6: Final answer
    x = 105,958,335.91

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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.