Home / 218,580,194.69-301,640,962.61-125,758,840.85

Finding the Fourth Proportional to 218,580,194.69, 301,640,962.61 and 125,758,840.85

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Solution

The fourth proportional to 218,580,194.69, 301,640,962.61 and 125,758,840.85 is: 173,547,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,580,194.69 : 301,640,962.61 = 125,758,840.85 : x
  2. Step 2: Convert to fraction form
    218,580,194.69/301,640,962.61 = 125,758,840.85/x
  3. Step 3: Cross multiply
    218,580,194.69x = 301,640,962.61 × 125,758,840.85
  4. Step 4: Simplify right side
    218,580,194.69x = 37,934,017,810,083,000
  5. Step 5: Solve for x
    x = 37,934,017,810,083,000/218,580,194.69
  6. Step 6: Final answer
    x = 173,547,369.49

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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.