Home / 57,960,021.20-86,940,031.80-40,953,909.20

Finding the Fourth Proportional to 57,960,021.20, 86,940,031.80 and 40,953,909.20

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Solution

The fourth proportional to 57,960,021.20, 86,940,031.80 and 40,953,909.20 is: 61,430,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960,021.20 : 86,940,031.80 = 40,953,909.20 : x
  2. Step 2: Convert to fraction form
    57,960,021.20/86,940,031.80 = 40,953,909.20/x
  3. Step 3: Cross multiply
    57,960,021.20x = 86,940,031.80 × 40,953,909.20
  4. Step 4: Simplify right side
    57,960,021.20x = 3,560,534,168,182,312.50
  5. Step 5: Solve for x
    x = 3,560,534,168,182,312.50/57,960,021.20
  6. Step 6: Final answer
    x = 61,430,863.80

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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.