Home / 121,996,900.46-183,001,236.09-40,113,965.90

Finding the Fourth Proportional to 121,996,900.46, 183,001,236.09 and 40,113,965.90

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Solution

The fourth proportional to 121,996,900.46, 183,001,236.09 and 40,113,965.90 is: 60,172,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,996,900.46 : 183,001,236.09 = 40,113,965.90 : x
  2. Step 2: Convert to fraction form
    121,996,900.46/183,001,236.09 = 40,113,965.90/x
  3. Step 3: Cross multiply
    121,996,900.46x = 183,001,236.09 × 40,113,965.90
  4. Step 4: Simplify right side
    121,996,900.46x = 7,340,905,344,172,109
  5. Step 5: Solve for x
    x = 7,340,905,344,172,109/121,996,900.46
  6. Step 6: Final answer
    x = 60,172,884.04

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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.