Home / 155,407,641.60-233,176,780.80-83,520,076.80

Finding the Fourth Proportional to 155,407,641.60, 233,176,780.80 and 83,520,076.80

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Solution

The fourth proportional to 155,407,641.60, 233,176,780.80 and 83,520,076.80 is: 125,315,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,407,641.60 : 233,176,780.80 = 83,520,076.80 : x
  2. Step 2: Convert to fraction form
    155,407,641.60/233,176,780.80 = 83,520,076.80/x
  3. Step 3: Cross multiply
    155,407,641.60x = 233,176,780.80 × 83,520,076.80
  4. Step 4: Simplify right side
    155,407,641.60x = 19,474,942,640,392,764
  5. Step 5: Solve for x
    x = 19,474,942,640,392,764/155,407,641.60
  6. Step 6: Final answer
    x = 125,315,218.99

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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.