Home / 77,279,421.60-115,919,132.40-41,447,613.60

Finding the Fourth Proportional to 77,279,421.60, 115,919,132.40 and 41,447,613.60

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Solution

The fourth proportional to 77,279,421.60, 115,919,132.40 and 41,447,613.60 is: 62,171,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,279,421.60 : 115,919,132.40 = 41,447,613.60 : x
  2. Step 2: Convert to fraction form
    77,279,421.60/115,919,132.40 = 41,447,613.60/x
  3. Step 3: Cross multiply
    77,279,421.60x = 115,919,132.40 × 41,447,613.60
  4. Step 4: Simplify right side
    77,279,421.60x = 4,804,571,408,562,441
  5. Step 5: Solve for x
    x = 4,804,571,408,562,441/77,279,421.60
  6. Step 6: Final answer
    x = 62,171,420.40

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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.