Home / 87,417,643.26-120,633,179.10-48,258,577.20

Finding the Fourth Proportional to 87,417,643.26, 120,633,179.10 and 48,258,577.20

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Solution

The fourth proportional to 87,417,643.26, 120,633,179.10 and 48,258,577.20 is: 66,595,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417,643.26 : 120,633,179.10 = 48,258,577.20 : x
  2. Step 2: Convert to fraction form
    87,417,643.26/120,633,179.10 = 48,258,577.20/x
  3. Step 3: Cross multiply
    87,417,643.26x = 120,633,179.10 × 48,258,577.20
  4. Step 4: Simplify right side
    87,417,643.26x = 5,821,585,586,478,777
  5. Step 5: Solve for x
    x = 5,821,585,586,478,777/87,417,643.26
  6. Step 6: Final answer
    x = 66,595,087.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.