Home / 91,126,841.03-125,755,373.89-49,310,906.74

Finding the Fourth Proportional to 91,126,841.03, 125,755,373.89 and 49,310,906.74

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Solution

The fourth proportional to 91,126,841.03, 125,755,373.89 and 49,310,906.74 is: 68,049,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,841.03 : 125,755,373.89 = 49,310,906.74 : x
  2. Step 2: Convert to fraction form
    91,126,841.03/125,755,373.89 = 49,310,906.74/x
  3. Step 3: Cross multiply
    91,126,841.03x = 125,755,373.89 × 49,310,906.74
  4. Step 4: Simplify right side
    91,126,841.03x = 6,201,111,513,943,621
  5. Step 5: Solve for x
    x = 6,201,111,513,943,621/91,126,841.03
  6. Step 6: Final answer
    x = 68,049,231.64

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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.