Home / 140,451,235.65-210,676,853.48-123,445,123.65

Finding the Fourth Proportional to 140,451,235.65, 210,676,853.48 and 123,445,123.65

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Solution

The fourth proportional to 140,451,235.65, 210,676,853.48 and 123,445,123.65 is: 185,167,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451,235.65 : 210,676,853.48 = 123,445,123.65 : x
  2. Step 2: Convert to fraction form
    140,451,235.65/210,676,853.48 = 123,445,123.65/x
  3. Step 3: Cross multiply
    140,451,235.65x = 210,676,853.48 × 123,445,123.65
  4. Step 4: Simplify right side
    140,451,235.65x = 26,007,030,227,414,308
  5. Step 5: Solve for x
    x = 26,007,030,227,414,308/140,451,235.65
  6. Step 6: Final answer
    x = 185,167,685.48

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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.