Home / 279,094,586.60-385,158,087.78-155,348,877.80

Finding the Fourth Proportional to 279,094,586.60, 385,158,087.78 and 155,348,877.80

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Solution

The fourth proportional to 279,094,586.60, 385,158,087.78 and 155,348,877.80 is: 214,385,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,094,586.60 : 385,158,087.78 = 155,348,877.80 : x
  2. Step 2: Convert to fraction form
    279,094,586.60/385,158,087.78 = 155,348,877.80/x
  3. Step 3: Cross multiply
    279,094,586.60x = 385,158,087.78 × 155,348,877.80
  4. Step 4: Simplify right side
    279,094,586.60x = 59,833,876,712,216,896
  5. Step 5: Solve for x
    x = 59,833,876,712,216,896/279,094,586.60
  6. Step 6: Final answer
    x = 214,385,658.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.