Home / 102,186,895.92-153,278,900.40-47,568,932.88

Finding the Fourth Proportional to 102,186,895.92, 153,278,900.40 and 47,568,932.88

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Solution

The fourth proportional to 102,186,895.92, 153,278,900.40 and 47,568,932.88 is: 71,352,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186,895.92 : 153,278,900.40 = 47,568,932.88 : x
  2. Step 2: Convert to fraction form
    102,186,895.92/153,278,900.40 = 47,568,932.88/x
  3. Step 3: Cross multiply
    102,186,895.92x = 153,278,900.40 × 47,568,932.88
  4. Step 4: Simplify right side
    102,186,895.92x = 7,291,313,724,651,393
  5. Step 5: Solve for x
    x = 7,291,313,724,651,393/102,186,895.92
  6. Step 6: Final answer
    x = 71,352,727.37

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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.