Home / 132,879,006.80-199,318,510.20-131,983,211.60

Finding the Fourth Proportional to 132,879,006.80, 199,318,510.20 and 131,983,211.60

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Solution

The fourth proportional to 132,879,006.80, 199,318,510.20 and 131,983,211.60 is: 197,974,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,879,006.80 : 199,318,510.20 = 131,983,211.60 : x
  2. Step 2: Convert to fraction form
    132,879,006.80/199,318,510.20 = 131,983,211.60/x
  3. Step 3: Cross multiply
    132,879,006.80x = 199,318,510.20 × 131,983,211.60
  4. Step 4: Simplify right side
    132,879,006.80x = 26,306,697,107,523,356
  5. Step 5: Solve for x
    x = 26,306,697,107,523,356/132,879,006.80
  6. Step 6: Final answer
    x = 197,974,817.40

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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.