Home / 146,016,012.80-219,024,019.20-88,573,145.60

Finding the Fourth Proportional to 146,016,012.80, 219,024,019.20 and 88,573,145.60

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Solution

The fourth proportional to 146,016,012.80, 219,024,019.20 and 88,573,145.60 is: 132,859,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016,012.80 : 219,024,019.20 = 88,573,145.60 : x
  2. Step 2: Convert to fraction form
    146,016,012.80/219,024,019.20 = 88,573,145.60/x
  3. Step 3: Cross multiply
    146,016,012.80x = 219,024,019.20 × 88,573,145.60
  4. Step 4: Simplify right side
    146,016,012.80x = 19,399,646,342,498,792
  5. Step 5: Solve for x
    x = 19,399,646,342,498,792/146,016,012.80
  6. Step 6: Final answer
    x = 132,859,718.40

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1.5x scale

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.