Home / 146,679,288.20-220,018,973.08-54,550,989

Finding the Fourth Proportional to 146,679,288.20, 220,018,973.08 and 54,550,989

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Solution

The fourth proportional to 146,679,288.20, 220,018,973.08 and 54,550,989 is: 81,826,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679,288.20 : 220,018,973.08 = 54,550,989 : x
  2. Step 2: Convert to fraction form
    146,679,288.20/220,018,973.08 = 54,550,989/x
  3. Step 3: Cross multiply
    146,679,288.20x = 220,018,973.08 × 54,550,989
  4. Step 4: Simplify right side
    146,679,288.20x = 12,002,252,580,278,376
  5. Step 5: Solve for x
    x = 12,002,252,580,278,376/146,679,288.20
  6. Step 6: Final answer
    x = 81,826,498.67

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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.