Home / 90,841,065.60-136,037,649.60-60,384,028.80

Finding the Fourth Proportional to 90,841,065.60, 136,037,649.60 and 60,384,028.80

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Solution

The fourth proportional to 90,841,065.60, 136,037,649.60 and 60,384,028.80 is: 90,427,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841,065.60 : 136,037,649.60 = 60,384,028.80 : x
  2. Step 2: Convert to fraction form
    90,841,065.60/136,037,649.60 = 60,384,028.80/x
  3. Step 3: Cross multiply
    90,841,065.60x = 136,037,649.60 × 60,384,028.80
  4. Step 4: Simplify right side
    90,841,065.60x = 8,214,501,351,330,708
  5. Step 5: Solve for x
    x = 8,214,501,351,330,708/90,841,065.60
  6. Step 6: Final answer
    x = 90,427,179.57

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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.