Home / 160,680,961.58-221,739,869.86-87,342,103.58

Finding the Fourth Proportional to 160,680,961.58, 221,739,869.86 and 87,342,103.58

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Solution

The fourth proportional to 160,680,961.58, 221,739,869.86 and 87,342,103.58 is: 120,532,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,680,961.58 : 221,739,869.86 = 87,342,103.58 : x
  2. Step 2: Convert to fraction form
    160,680,961.58/221,739,869.86 = 87,342,103.58/x
  3. Step 3: Cross multiply
    160,680,961.58x = 221,739,869.86 × 87,342,103.58
  4. Step 4: Simplify right side
    160,680,961.58x = 19,367,226,679,800,784
  5. Step 5: Solve for x
    x = 19,367,226,679,800,784/160,680,961.58
  6. Step 6: Final answer
    x = 120,532,180.60

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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.