Home / 103,324,426.65-142,587,716.51-56,914,680.56

Finding the Fourth Proportional to 103,324,426.65, 142,587,716.51 and 56,914,680.56

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Solution

The fourth proportional to 103,324,426.65, 142,587,716.51 and 56,914,680.56 is: 78,542,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,324,426.65 : 142,587,716.51 = 56,914,680.56 : x
  2. Step 2: Convert to fraction form
    103,324,426.65/142,587,716.51 = 56,914,680.56/x
  3. Step 3: Cross multiply
    103,324,426.65x = 142,587,716.51 × 56,914,680.56
  4. Step 4: Simplify right side
    103,324,426.65x = 8,115,334,336,375,835
  5. Step 5: Solve for x
    x = 8,115,334,336,375,835/103,324,426.65
  6. Step 6: Final answer
    x = 78,542,263.43

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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.