Home / 123,562,305.17-185,354,351.35-45,840,109.49

Finding the Fourth Proportional to 123,562,305.17, 185,354,351.35 and 45,840,109.49

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Solution

The fourth proportional to 123,562,305.17, 185,354,351.35 and 45,840,109.49 is: 68,764,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562,305.17 : 185,354,351.35 = 45,840,109.49 : x
  2. Step 2: Convert to fraction form
    123,562,305.17/185,354,351.35 = 45,840,109.49/x
  3. Step 3: Cross multiply
    123,562,305.17x = 185,354,351.35 × 45,840,109.49
  4. Step 4: Simplify right side
    123,562,305.17x = 8,496,663,759,290,557
  5. Step 5: Solve for x
    x = 8,496,663,759,290,557/123,562,305.17
  6. Step 6: Final answer
    x = 68,764,205.62

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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.