Home / 124,538,320.20-186,949,197.90-73,449,125.40

Finding the Fourth Proportional to 124,538,320.20, 186,949,197.90 and 73,449,125.40

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Solution

The fourth proportional to 124,538,320.20, 186,949,197.90 and 73,449,125.40 is: 110,257,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538,320.20 : 186,949,197.90 = 73,449,125.40 : x
  2. Step 2: Convert to fraction form
    124,538,320.20/186,949,197.90 = 73,449,125.40/x
  3. Step 3: Cross multiply
    124,538,320.20x = 186,949,197.90 × 73,449,125.40
  4. Step 4: Simplify right side
    124,538,320.20x = 13,731,255,079,986,518
  5. Step 5: Solve for x
    x = 13,731,255,079,986,518/124,538,320.20
  6. Step 6: Final answer
    x = 110,257,269.07

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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.