Home / 98,760,190.92-136,290,153.60-54,707,864.64

Finding the Fourth Proportional to 98,760,190.92, 136,290,153.60 and 54,707,864.64

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Solution

The fourth proportional to 98,760,190.92, 136,290,153.60 and 54,707,864.64 is: 75,497,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,760,190.92 : 136,290,153.60 = 54,707,864.64 : x
  2. Step 2: Convert to fraction form
    98,760,190.92/136,290,153.60 = 54,707,864.64/x
  3. Step 3: Cross multiply
    98,760,190.92x = 136,290,153.60 × 54,707,864.64
  4. Step 4: Simplify right side
    98,760,190.92x = 7,456,143,274,913,608
  5. Step 5: Solve for x
    x = 7,456,143,274,913,608/98,760,190.92
  6. Step 6: Final answer
    x = 75,497,457.08

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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.