Home / 146,760,981.20-220,141,471.80-98,388,040.40

Finding the Fourth Proportional to 146,760,981.20, 220,141,471.80 and 98,388,040.40

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Solution

The fourth proportional to 146,760,981.20, 220,141,471.80 and 98,388,040.40 is: 147,582,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,760,981.20 : 220,141,471.80 = 98,388,040.40 : x
  2. Step 2: Convert to fraction form
    146,760,981.20/220,141,471.80 = 98,388,040.40/x
  3. Step 3: Cross multiply
    146,760,981.20x = 220,141,471.80 × 98,388,040.40
  4. Step 4: Simplify right side
    146,760,981.20x = 21,659,288,021,173,864
  5. Step 5: Solve for x
    x = 21,659,288,021,173,864/146,760,981.20
  6. Step 6: Final answer
    x = 147,582,060.60

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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.