Home / 98,768,187.76-136,290,165.77-54,706,954.19

Finding the Fourth Proportional to 98,768,187.76, 136,290,165.77 and 54,706,954.19

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Solution

The fourth proportional to 98,768,187.76, 136,290,165.77 and 54,706,954.19 is: 75,490,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,768,187.76 : 136,290,165.77 = 54,706,954.19 : x
  2. Step 2: Convert to fraction form
    98,768,187.76/136,290,165.77 = 54,706,954.19/x
  3. Step 3: Cross multiply
    98,768,187.76x = 136,290,165.77 × 54,706,954.19
  4. Step 4: Simplify right side
    98,768,187.76x = 7,456,019,855,394,086
  5. Step 5: Solve for x
    x = 7,456,019,855,394,086/98,768,187.76
  6. Step 6: Final answer
    x = 75,490,094.78

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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.