Home / 138,757,257.42-208,055,210.43-52,502,316.42

Finding the Fourth Proportional to 138,757,257.42, 208,055,210.43 and 52,502,316.42

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Solution

The fourth proportional to 138,757,257.42, 208,055,210.43 and 52,502,316.42 is: 78,722,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,757,257.42 : 208,055,210.43 = 52,502,316.42 : x
  2. Step 2: Convert to fraction form
    138,757,257.42/208,055,210.43 = 52,502,316.42/x
  3. Step 3: Cross multiply
    138,757,257.42x = 208,055,210.43 × 52,502,316.42
  4. Step 4: Simplify right side
    138,757,257.42x = 10,923,380,490,825,546
  5. Step 5: Solve for x
    x = 10,923,380,490,825,546/138,757,257.42
  6. Step 6: Final answer
    x = 78,722,948.94

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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.