Home / 155,280,300.80-232,722,637.05-82,531,932.80

Finding the Fourth Proportional to 155,280,300.80, 232,722,637.05 and 82,531,932.80

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Solution

The fourth proportional to 155,280,300.80, 232,722,637.05 and 82,531,932.80 is: 123,692,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,300.80 : 232,722,637.05 = 82,531,932.80 : x
  2. Step 2: Convert to fraction form
    155,280,300.80/232,722,637.05 = 82,531,932.80/x
  3. Step 3: Cross multiply
    155,280,300.80x = 232,722,637.05 × 82,531,932.80
  4. Step 4: Simplify right side
    155,280,300.80x = 19,207,049,042,049,392
  5. Step 5: Solve for x
    x = 19,207,049,042,049,392/155,280,300.80
  6. Step 6: Final answer
    x = 123,692,760.40

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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.