Home / 188,519,358.17-282,776,191.72-84,815,331.10

Finding the Fourth Proportional to 188,519,358.17, 282,776,191.72 and 84,815,331.10

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Solution

The fourth proportional to 188,519,358.17, 282,776,191.72 and 84,815,331.10 is: 127,221,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,519,358.17 : 282,776,191.72 = 84,815,331.10 : x
  2. Step 2: Convert to fraction form
    188,519,358.17/282,776,191.72 = 84,815,331.10/x
  3. Step 3: Cross multiply
    188,519,358.17x = 282,776,191.72 × 84,815,331.10
  4. Step 4: Simplify right side
    188,519,358.17x = 23,983,756,327,928,880
  5. Step 5: Solve for x
    x = 23,983,756,327,928,880/188,519,358.17
  6. Step 6: Final answer
    x = 127,221,716.44

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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.