Home / 124,092,380.40-186,138,570.60-82,480,550.10

Finding the Fourth Proportional to 124,092,380.40, 186,138,570.60 and 82,480,550.10

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Solution

The fourth proportional to 124,092,380.40, 186,138,570.60 and 82,480,550.10 is: 123,720,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,092,380.40 : 186,138,570.60 = 82,480,550.10 : x
  2. Step 2: Convert to fraction form
    124,092,380.40/186,138,570.60 = 82,480,550.10/x
  3. Step 3: Cross multiply
    124,092,380.40x = 186,138,570.60 × 82,480,550.10
  4. Step 4: Simplify right side
    124,092,380.40x = 15,352,811,697,915,686
  5. Step 5: Solve for x
    x = 15,352,811,697,915,686/124,092,380.40
  6. Step 6: Final answer
    x = 123,720,825.15

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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.