Home / 68,245,280.55-102,367,920.83-22,187,060.55

Finding the Fourth Proportional to 68,245,280.55, 102,367,920.83 and 22,187,060.55

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Solution

The fourth proportional to 68,245,280.55, 102,367,920.83 and 22,187,060.55 is: 33,280,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,245,280.55 : 102,367,920.83 = 22,187,060.55 : x
  2. Step 2: Convert to fraction form
    68,245,280.55/102,367,920.83 = 22,187,060.55/x
  3. Step 3: Cross multiply
    68,245,280.55x = 102,367,920.83 × 22,187,060.55
  4. Step 4: Simplify right side
    68,245,280.55x = 2,271,243,257,721,881
  5. Step 5: Solve for x
    x = 2,271,243,257,721,881/68,245,280.55
  6. Step 6: Final answer
    x = 33,280,590.83

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Double scale
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Similar ratio
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1.5x scale

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.