Home / 121,480,277.20-182,236,399.80-44,857,128.40

Finding the Fourth Proportional to 121,480,277.20, 182,236,399.80 and 44,857,128.40

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Solution

The fourth proportional to 121,480,277.20, 182,236,399.80 and 44,857,128.40 is: 67,291,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,480,277.20 : 182,236,399.80 = 44,857,128.40 : x
  2. Step 2: Convert to fraction form
    121,480,277.20/182,236,399.80 = 44,857,128.40/x
  3. Step 3: Cross multiply
    121,480,277.20x = 182,236,399.80 × 44,857,128.40
  4. Step 4: Simplify right side
    121,480,277.20x = 8,174,601,584,982,335
  5. Step 5: Solve for x
    x = 8,174,601,584,982,335/121,480,277.20
  6. Step 6: Final answer
    x = 67,291,594.76

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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.