Home / 121,456,345.06-182,038,144.74-55,786,863.44

Finding the Fourth Proportional to 121,456,345.06, 182,038,144.74 and 55,786,863.44

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Solution

The fourth proportional to 121,456,345.06, 182,038,144.74 and 55,786,863.44 is: 83,613,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,345.06 : 182,038,144.74 = 55,786,863.44 : x
  2. Step 2: Convert to fraction form
    121,456,345.06/182,038,144.74 = 55,786,863.44/x
  3. Step 3: Cross multiply
    121,456,345.06x = 182,038,144.74 × 55,786,863.44
  4. Step 4: Simplify right side
    121,456,345.06x = 10,155,337,121,481,334
  5. Step 5: Solve for x
    x = 10,155,337,121,481,334/121,456,345.06
  6. Step 6: Final answer
    x = 83,613,063.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.