Home / 149,471,969.40-224,207,954.10-91,777,159.80

Finding the Fourth Proportional to 149,471,969.40, 224,207,954.10 and 91,777,159.80

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Solution

The fourth proportional to 149,471,969.40, 224,207,954.10 and 91,777,159.80 is: 137,665,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,969.40 : 224,207,954.10 = 91,777,159.80 : x
  2. Step 2: Convert to fraction form
    149,471,969.40/224,207,954.10 = 91,777,159.80/x
  3. Step 3: Cross multiply
    149,471,969.40x = 224,207,954.10 × 91,777,159.80
  4. Step 4: Simplify right side
    149,471,969.40x = 20,577,169,231,866,764
  5. Step 5: Solve for x
    x = 20,577,169,231,866,764/149,471,969.40
  6. Step 6: Final answer
    x = 137,665,739.70

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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.