Home / 261,210,612.98-391,872,606.51-79,453,067.06

Finding the Fourth Proportional to 261,210,612.98, 391,872,606.51 and 79,453,067.06

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Solution

The fourth proportional to 261,210,612.98, 391,872,606.51 and 79,453,067.06 is: 119,196,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,210,612.98 : 391,872,606.51 = 79,453,067.06 : x
  2. Step 2: Convert to fraction form
    261,210,612.98/391,872,606.51 = 79,453,067.06/x
  3. Step 3: Cross multiply
    261,210,612.98x = 391,872,606.51 × 79,453,067.06
  4. Step 4: Simplify right side
    261,210,612.98x = 31,135,480,485,293,656
  5. Step 5: Solve for x
    x = 31,135,480,485,293,656/261,210,612.98
  6. Step 6: Final answer
    x = 119,196,843.23

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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.