Home / 131,870,116.80-197,805,175.20-67,372,862.40

Finding the Fourth Proportional to 131,870,116.80, 197,805,175.20 and 67,372,862.40

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Solution

The fourth proportional to 131,870,116.80, 197,805,175.20 and 67,372,862.40 is: 101,059,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870,116.80 : 197,805,175.20 = 67,372,862.40 : x
  2. Step 2: Convert to fraction form
    131,870,116.80/197,805,175.20 = 67,372,862.40/x
  3. Step 3: Cross multiply
    131,870,116.80x = 197,805,175.20 × 67,372,862.40
  4. Step 4: Simplify right side
    131,870,116.80x = 13,326,700,850,757,492
  5. Step 5: Solve for x
    x = 13,326,700,850,757,492/131,870,116.80
  6. Step 6: Final answer
    x = 101,059,293.60

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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.