Home / 53,722,308.60-80,412,002.10-42,384,900.60

Finding the Fourth Proportional to 53,722,308.60, 80,412,002.10 and 42,384,900.60

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Solution

The fourth proportional to 53,722,308.60, 80,412,002.10 and 42,384,900.60 is: 63,442,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722,308.60 : 80,412,002.10 = 42,384,900.60 : x
  2. Step 2: Convert to fraction form
    53,722,308.60/80,412,002.10 = 42,384,900.60/x
  3. Step 3: Cross multiply
    53,722,308.60x = 80,412,002.10 × 42,384,900.60
  4. Step 4: Simplify right side
    53,722,308.60x = 3,408,254,716,055,491
  5. Step 5: Solve for x
    x = 3,408,254,716,055,491/53,722,308.60
  6. Step 6: Final answer
    x = 63,442,074.71

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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.