Home / 160,680,931.20-221,739,827.94-87,342,073.20

Finding the Fourth Proportional to 160,680,931.20, 221,739,827.94 and 87,342,073.20

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Solution

The fourth proportional to 160,680,931.20, 221,739,827.94 and 87,342,073.20 is: 120,532,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,680,931.20 : 221,739,827.94 = 87,342,073.20 : x
  2. Step 2: Convert to fraction form
    160,680,931.20/221,739,827.94 = 87,342,073.20/x
  3. Step 3: Cross multiply
    160,680,931.20x = 221,739,827.94 × 87,342,073.20
  4. Step 4: Simplify right side
    160,680,931.20x = 19,367,216,283,290,884
  5. Step 5: Solve for x
    x = 19,367,216,283,290,884/160,680,931.20
  6. Step 6: Final answer
    x = 120,532,138.68

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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.