Home / 53,214,474.40-79,821,711.60-40,459,890.40

Finding the Fourth Proportional to 53,214,474.40, 79,821,711.60 and 40,459,890.40

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Solution

The fourth proportional to 53,214,474.40, 79,821,711.60 and 40,459,890.40 is: 60,689,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214,474.40 : 79,821,711.60 = 40,459,890.40 : x
  2. Step 2: Convert to fraction form
    53,214,474.40/79,821,711.60 = 40,459,890.40/x
  3. Step 3: Cross multiply
    53,214,474.40x = 79,821,711.60 × 40,459,890.40
  4. Step 4: Simplify right side
    53,214,474.40x = 3,229,577,702,876,408.50
  5. Step 5: Solve for x
    x = 3,229,577,702,876,408.50/53,214,474.40
  6. Step 6: Final answer
    x = 60,689,835.60

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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.