Home / 160,520,003.60-221,518,738.78-87,181,145.60

Finding the Fourth Proportional to 160,520,003.60, 221,518,738.78 and 87,181,145.60

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Solution

The fourth proportional to 160,520,003.60, 221,518,738.78 and 87,181,145.60 is: 120,310,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520,003.60 : 221,518,738.78 = 87,181,145.60 : x
  2. Step 2: Convert to fraction form
    160,520,003.60/221,518,738.78 = 87,181,145.60/x
  3. Step 3: Cross multiply
    160,520,003.60x = 221,518,738.78 × 87,181,145.60
  4. Step 4: Simplify right side
    160,520,003.60x = 19,312,257,418,707,544
  5. Step 5: Solve for x
    x = 19,312,257,418,707,544/160,520,003.60
  6. Step 6: Final answer
    x = 120,310,596.72

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1.5x scale

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.