Home / 155,520,661.20-233,280,991.80-115,209,877.20

Finding the Fourth Proportional to 155,520,661.20, 233,280,991.80 and 115,209,877.20

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Solution

The fourth proportional to 155,520,661.20, 233,280,991.80 and 115,209,877.20 is: 172,814,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,661.20 : 233,280,991.80 = 115,209,877.20 : x
  2. Step 2: Convert to fraction form
    155,520,661.20/233,280,991.80 = 115,209,877.20/x
  3. Step 3: Cross multiply
    155,520,661.20x = 233,280,991.80 × 115,209,877.20
  4. Step 4: Simplify right side
    155,520,661.20x = 26,876,274,418,372,208
  5. Step 5: Solve for x
    x = 26,876,274,418,372,208/155,520,661.20
  6. Step 6: Final answer
    x = 172,814,815.80

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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.