Home / 83,106,233.80-124,659,350.70-77,059,616.20

Finding the Fourth Proportional to 83,106,233.80, 124,659,350.70 and 77,059,616.20

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Solution

The fourth proportional to 83,106,233.80, 124,659,350.70 and 77,059,616.20 is: 115,589,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,233.80 : 124,659,350.70 = 77,059,616.20 : x
  2. Step 2: Convert to fraction form
    83,106,233.80/124,659,350.70 = 77,059,616.20/x
  3. Step 3: Cross multiply
    83,106,233.80x = 124,659,350.70 × 77,059,616.20
  4. Step 4: Simplify right side
    83,106,233.80x = 9,606,201,720,683,202
  5. Step 5: Solve for x
    x = 9,606,201,720,683,202/83,106,233.80
  6. Step 6: Final answer
    x = 115,589,424.30

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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.