Home / 52,199,423.12-78,299,922-18,121,851.60

Finding the Fourth Proportional to 52,199,423.12, 78,299,922 and 18,121,851.60

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Solution

The fourth proportional to 52,199,423.12, 78,299,922 and 18,121,851.60 is: 27,183,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,199,423.12 : 78,299,922 = 18,121,851.60 : x
  2. Step 2: Convert to fraction form
    52,199,423.12/78,299,922 = 18,121,851.60/x
  3. Step 3: Cross multiply
    52,199,423.12x = 78,299,922 × 18,121,851.60
  4. Step 4: Simplify right side
    52,199,423.12x = 1,418,939,566,775,575.25
  5. Step 5: Solve for x
    x = 1,418,939,566,775,575.25/52,199,423.12
  6. Step 6: Final answer
    x = 27,183,050.73

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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.