Home / 156,288,001.80-234,432,002.70-79,846,811.40

Finding the Fourth Proportional to 156,288,001.80, 234,432,002.70 and 79,846,811.40

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Solution

The fourth proportional to 156,288,001.80, 234,432,002.70 and 79,846,811.40 is: 119,770,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,001.80 : 234,432,002.70 = 79,846,811.40 : x
  2. Step 2: Convert to fraction form
    156,288,001.80/234,432,002.70 = 79,846,811.40/x
  3. Step 3: Cross multiply
    156,288,001.80x = 234,432,002.70 × 79,846,811.40
  4. Step 4: Simplify right side
    156,288,001.80x = 18,718,647,905,711,192
  5. Step 5: Solve for x
    x = 18,718,647,905,711,192/156,288,001.80
  6. Step 6: Final answer
    x = 119,770,217.10

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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.