Home / 149,982,057.03-206,975,542.52-83,903,658.77

Finding the Fourth Proportional to 149,982,057.03, 206,975,542.52 and 83,903,658.77

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Solution

The fourth proportional to 149,982,057.03, 206,975,542.52 and 83,903,658.77 is: 115,787,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982,057.03 : 206,975,542.52 = 83,903,658.77 : x
  2. Step 2: Convert to fraction form
    149,982,057.03/206,975,542.52 = 83,903,658.77/x
  3. Step 3: Cross multiply
    149,982,057.03x = 206,975,542.52 × 83,903,658.77
  4. Step 4: Simplify right side
    149,982,057.03x = 17,366,005,293,825,134
  5. Step 5: Solve for x
    x = 17,366,005,293,825,134/149,982,057.03
  6. Step 6: Final answer
    x = 115,787,219.07

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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.