Home / 174,437,679.60-261,656,519.40-120,018,121.20

Finding the Fourth Proportional to 174,437,679.60, 261,656,519.40 and 120,018,121.20

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Solution

The fourth proportional to 174,437,679.60, 261,656,519.40 and 120,018,121.20 is: 180,027,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,437,679.60 : 261,656,519.40 = 120,018,121.20 : x
  2. Step 2: Convert to fraction form
    174,437,679.60/261,656,519.40 = 120,018,121.20/x
  3. Step 3: Cross multiply
    174,437,679.60x = 261,656,519.40 × 120,018,121.20
  4. Step 4: Simplify right side
    174,437,679.60x = 31,403,523,858,119,352
  5. Step 5: Solve for x
    x = 31,403,523,858,119,352/174,437,679.60
  6. Step 6: Final answer
    x = 180,027,181.80

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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.