Home / 103,257,535.44-142,489,989.86-56,838,722.88

Finding the Fourth Proportional to 103,257,535.44, 142,489,989.86 and 56,838,722.88

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Solution

The fourth proportional to 103,257,535.44, 142,489,989.86 and 56,838,722.88 is: 78,434,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257,535.44 : 142,489,989.86 = 56,838,722.88 : x
  2. Step 2: Convert to fraction form
    103,257,535.44/142,489,989.86 = 56,838,722.88/x
  3. Step 3: Cross multiply
    103,257,535.44x = 142,489,989.86 × 56,838,722.88
  4. Step 4: Simplify right side
    103,257,535.44x = 8,098,949,046,826,551
  5. Step 5: Solve for x
    x = 8,098,949,046,826,551/103,257,535.44
  6. Step 6: Final answer
    x = 78,434,460.13

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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.