Home / 218,580,195.69-301,640,963.99-125,758,841.85

Finding the Fourth Proportional to 218,580,195.69, 301,640,963.99 and 125,758,841.85

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Solution

The fourth proportional to 218,580,195.69, 301,640,963.99 and 125,758,841.85 is: 173,547,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,580,195.69 : 301,640,963.99 = 125,758,841.85 : x
  2. Step 2: Convert to fraction form
    218,580,195.69/301,640,963.99 = 125,758,841.85/x
  3. Step 3: Cross multiply
    218,580,195.69x = 301,640,963.99 × 125,758,841.85
  4. Step 4: Simplify right side
    218,580,195.69x = 37,934,018,285,899,952
  5. Step 5: Solve for x
    x = 37,934,018,285,899,952/218,580,195.69
  6. Step 6: Final answer
    x = 173,547,370.87

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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.