Home / 132,880,061.20-199,320,091.80-72,413,885.20

Finding the Fourth Proportional to 132,880,061.20, 199,320,091.80 and 72,413,885.20

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Solution

The fourth proportional to 132,880,061.20, 199,320,091.80 and 72,413,885.20 is: 108,620,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,061.20 : 199,320,091.80 = 72,413,885.20 : x
  2. Step 2: Convert to fraction form
    132,880,061.20/199,320,091.80 = 72,413,885.20/x
  3. Step 3: Cross multiply
    132,880,061.20x = 199,320,091.80 × 72,413,885.20
  4. Step 4: Simplify right side
    132,880,061.20x = 14,433,542,245,658,662
  5. Step 5: Solve for x
    x = 14,433,542,245,658,662/132,880,061.20
  6. Step 6: Final answer
    x = 108,620,827.80

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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.