Home / 187,271,998.80-280,907,998.20-153,231,781.20

Finding the Fourth Proportional to 187,271,998.80, 280,907,998.20 and 153,231,781.20

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Solution

The fourth proportional to 187,271,998.80, 280,907,998.20 and 153,231,781.20 is: 229,847,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,271,998.80 : 280,907,998.20 = 153,231,781.20 : x
  2. Step 2: Convert to fraction form
    187,271,998.80/280,907,998.20 = 153,231,781.20/x
  3. Step 3: Cross multiply
    187,271,998.80x = 280,907,998.20 × 153,231,781.20
  4. Step 4: Simplify right side
    187,271,998.80x = 43,044,032,917,512,392
  5. Step 5: Solve for x
    x = 43,044,032,917,512,392/187,271,998.80
  6. Step 6: Final answer
    x = 229,847,671.80

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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.