Home / 221,434,200.30-332,151,300.45-65,987,707.80

Finding the Fourth Proportional to 221,434,200.30, 332,151,300.45 and 65,987,707.80

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Solution

The fourth proportional to 221,434,200.30, 332,151,300.45 and 65,987,707.80 is: 98,981,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,200.30 : 332,151,300.45 = 65,987,707.80 : x
  2. Step 2: Convert to fraction form
    221,434,200.30/332,151,300.45 = 65,987,707.80/x
  3. Step 3: Cross multiply
    221,434,200.30x = 332,151,300.45 × 65,987,707.80
  4. Step 4: Simplify right side
    221,434,200.30x = 21,917,902,959,484,608
  5. Step 5: Solve for x
    x = 21,917,902,959,484,608/221,434,200.30
  6. Step 6: Final answer
    x = 98,981,561.70

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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.