Home / 103,065,819.96-142,231,292.46-56,659,063.80

Finding the Fourth Proportional to 103,065,819.96, 142,231,292.46 and 56,659,063.80

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Solution

The fourth proportional to 103,065,819.96, 142,231,292.46 and 56,659,063.80 is: 78,189,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,065,819.96 : 142,231,292.46 = 56,659,063.80 : x
  2. Step 2: Convert to fraction form
    103,065,819.96/142,231,292.46 = 56,659,063.80/x
  3. Step 3: Cross multiply
    103,065,819.96x = 142,231,292.46 × 56,659,063.80
  4. Step 4: Simplify right side
    103,065,819.96x = 8,058,691,873,847,599
  5. Step 5: Solve for x
    x = 8,058,691,873,847,599/103,065,819.96
  6. Step 6: Final answer
    x = 78,189,761.43

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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.