Home / 87,417,645.75-120,633,182.55-48,258,579.69

Finding the Fourth Proportional to 87,417,645.75, 120,633,182.55 and 48,258,579.69

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Solution

The fourth proportional to 87,417,645.75, 120,633,182.55 and 48,258,579.69 is: 66,595,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417,645.75 : 120,633,182.55 = 48,258,579.69 : x
  2. Step 2: Convert to fraction form
    87,417,645.75/120,633,182.55 = 48,258,579.69/x
  3. Step 3: Cross multiply
    87,417,645.75x = 120,633,182.55 × 48,258,579.69
  4. Step 4: Simplify right side
    87,417,645.75x = 5,821,586,053,347,492
  5. Step 5: Solve for x
    x = 5,821,586,053,347,492/87,417,645.75
  6. Step 6: Final answer
    x = 66,595,090.77

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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.