Home / 53,762,406.20-80,643,609.30-17,860,614.20

Finding the Fourth Proportional to 53,762,406.20, 80,643,609.30 and 17,860,614.20

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Solution

The fourth proportional to 53,762,406.20, 80,643,609.30 and 17,860,614.20 is: 26,790,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762,406.20 : 80,643,609.30 = 17,860,614.20 : x
  2. Step 2: Convert to fraction form
    53,762,406.20/80,643,609.30 = 17,860,614.20/x
  3. Step 3: Cross multiply
    53,762,406.20x = 80,643,609.30 × 17,860,614.20
  4. Step 4: Simplify right side
    53,762,406.20x = 1,440,344,393,402,832
  5. Step 5: Solve for x
    x = 1,440,344,393,402,832/53,762,406.20
  6. Step 6: Final answer
    x = 26,790,921.30

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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.