Home / 149,469,106.28-206,267,495.08-83,389,614.76

Finding the Fourth Proportional to 149,469,106.28, 206,267,495.08 and 83,389,614.76

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Solution

The fourth proportional to 149,469,106.28, 206,267,495.08 and 83,389,614.76 is: 115,077,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469,106.28 : 206,267,495.08 = 83,389,614.76 : x
  2. Step 2: Convert to fraction form
    149,469,106.28/206,267,495.08 = 83,389,614.76/x
  3. Step 3: Cross multiply
    149,469,106.28x = 206,267,495.08 × 83,389,614.76
  4. Step 4: Simplify right side
    149,469,106.28x = 17,200,566,952,231,398
  5. Step 5: Solve for x
    x = 17,200,566,952,231,398/149,469,106.28
  6. Step 6: Final answer
    x = 115,077,740.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.