Home / 160,680,932.20-221,739,829.32-87,342,074.20

Finding the Fourth Proportional to 160,680,932.20, 221,739,829.32 and 87,342,074.20

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Solution

The fourth proportional to 160,680,932.20, 221,739,829.32 and 87,342,074.20 is: 120,532,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,680,932.20 : 221,739,829.32 = 87,342,074.20 : x
  2. Step 2: Convert to fraction form
    160,680,932.20/221,739,829.32 = 87,342,074.20/x
  3. Step 3: Cross multiply
    160,680,932.20x = 221,739,829.32 × 87,342,074.20
  4. Step 4: Simplify right side
    160,680,932.20x = 19,367,216,625,562,776
  5. Step 5: Solve for x
    x = 19,367,216,625,562,776/160,680,932.20
  6. Step 6: Final answer
    x = 120,532,140.06

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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.