Home / 87,163,809.11-120,291,496.73-48,005,575.48

Finding the Fourth Proportional to 87,163,809.11, 120,291,496.73 and 48,005,575.48

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Solution

The fourth proportional to 87,163,809.11, 120,291,496.73 and 48,005,575.48 is: 66,250,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,163,809.11 : 120,291,496.73 = 48,005,575.48 : x
  2. Step 2: Convert to fraction form
    87,163,809.11/120,291,496.73 = 48,005,575.48/x
  3. Step 3: Cross multiply
    87,163,809.11x = 120,291,496.73 × 48,005,575.48
  4. Step 4: Simplify right side
    87,163,809.11x = 5,774,662,525,874,188
  5. Step 5: Solve for x
    x = 5,774,662,525,874,188/87,163,809.11
  6. Step 6: Final answer
    x = 66,250,690.34

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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.