Home / 131,870,712.80-197,806,069.20-67,373,458.40

Finding the Fourth Proportional to 131,870,712.80, 197,806,069.20 and 67,373,458.40

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Solution

The fourth proportional to 131,870,712.80, 197,806,069.20 and 67,373,458.40 is: 101,060,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870,712.80 : 197,806,069.20 = 67,373,458.40 : x
  2. Step 2: Convert to fraction form
    131,870,712.80/197,806,069.20 = 67,373,458.40/x
  3. Step 3: Cross multiply
    131,870,712.80x = 197,806,069.20 × 67,373,458.40
  4. Step 4: Simplify right side
    131,870,712.80x = 13,326,878,974,513,722
  5. Step 5: Solve for x
    x = 13,326,878,974,513,722/131,870,712.80
  6. Step 6: Final answer
    x = 101,060,187.60

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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.