Home / 131,363,407.20-197,045,110.80-82,990,466.40

Finding the Fourth Proportional to 131,363,407.20, 197,045,110.80 and 82,990,466.40

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Solution

The fourth proportional to 131,363,407.20, 197,045,110.80 and 82,990,466.40 is: 124,485,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,363,407.20 : 197,045,110.80 = 82,990,466.40 : x
  2. Step 2: Convert to fraction form
    131,363,407.20/197,045,110.80 = 82,990,466.40/x
  3. Step 3: Cross multiply
    131,363,407.20x = 197,045,110.80 × 82,990,466.40
  4. Step 4: Simplify right side
    131,363,407.20x = 16,352,865,647,131,680
  5. Step 5: Solve for x
    x = 16,352,865,647,131,680/131,363,407.20
  6. Step 6: Final answer
    x = 124,485,699.60

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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.