Home / 138,747,877.62-208,148,065.26-55,756,090.60

Finding the Fourth Proportional to 138,747,877.62, 208,148,065.26 and 55,756,090.60

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Solution

The fourth proportional to 138,747,877.62, 208,148,065.26 and 55,756,090.60 is: 83,644,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,747,877.62 : 208,148,065.26 = 55,756,090.60 : x
  2. Step 2: Convert to fraction form
    138,747,877.62/208,148,065.26 = 55,756,090.60/x
  3. Step 3: Cross multiply
    138,747,877.62x = 208,148,065.26 × 55,756,090.60
  4. Step 4: Simplify right side
    138,747,877.62x = 11,605,522,384,161,960
  5. Step 5: Solve for x
    x = 11,605,522,384,161,960/138,747,877.62
  6. Step 6: Final answer
    x = 83,644,684.04

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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.