Home / 146,643,760.80-219,965,641.20-144,376,279.20

Finding the Fourth Proportional to 146,643,760.80, 219,965,641.20 and 144,376,279.20

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Solution

The fourth proportional to 146,643,760.80, 219,965,641.20 and 144,376,279.20 is: 216,564,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643,760.80 : 219,965,641.20 = 144,376,279.20 : x
  2. Step 2: Convert to fraction form
    146,643,760.80/219,965,641.20 = 144,376,279.20/x
  3. Step 3: Cross multiply
    146,643,760.80x = 219,965,641.20 × 144,376,279.20
  4. Step 4: Simplify right side
    146,643,760.80x = 31,757,820,828,298,220
  5. Step 5: Solve for x
    x = 31,757,820,828,298,220/146,643,760.80
  6. Step 6: Final answer
    x = 216,564,418.80

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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.