Home / 149,471,942.40-224,207,913.60-91,777,132.80

Finding the Fourth Proportional to 149,471,942.40, 224,207,913.60 and 91,777,132.80

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Solution

The fourth proportional to 149,471,942.40, 224,207,913.60 and 91,777,132.80 is: 137,665,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,942.40 : 224,207,913.60 = 91,777,132.80 : x
  2. Step 2: Convert to fraction form
    149,471,942.40/224,207,913.60 = 91,777,132.80/x
  3. Step 3: Cross multiply
    149,471,942.40x = 224,207,913.60 × 91,777,132.80
  4. Step 4: Simplify right side
    149,471,942.40x = 20,577,159,461,278,124
  5. Step 5: Solve for x
    x = 20,577,159,461,278,124/149,471,942.40
  6. Step 6: Final answer
    x = 137,665,699.20

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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.