Home / 53,212,817.40-79,819,226.10-40,458,233.40

Finding the Fourth Proportional to 53,212,817.40, 79,819,226.10 and 40,458,233.40

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Solution

The fourth proportional to 53,212,817.40, 79,819,226.10 and 40,458,233.40 is: 60,687,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212,817.40 : 79,819,226.10 = 40,458,233.40 : x
  2. Step 2: Convert to fraction form
    53,212,817.40/79,819,226.10 = 40,458,233.40/x
  3. Step 3: Cross multiply
    53,212,817.40x = 79,819,226.10 × 40,458,233.40
  4. Step 4: Simplify right side
    53,212,817.40x = 3,229,344,879,361,171.50
  5. Step 5: Solve for x
    x = 3,229,344,879,361,171.50/53,212,817.40
  6. Step 6: Final answer
    x = 60,687,350.10

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Double scale
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Similar ratio
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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.