Home / 98,996,960.48-136,613,749.92-54,941,400.68

Finding the Fourth Proportional to 98,996,960.48, 136,613,749.92 and 54,941,400.68

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Solution

The fourth proportional to 98,996,960.48, 136,613,749.92 and 54,941,400.68 is: 75,817,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996,960.48 : 136,613,749.92 = 54,941,400.68 : x
  2. Step 2: Convert to fraction form
    98,996,960.48/136,613,749.92 = 54,941,400.68/x
  3. Step 3: Cross multiply
    98,996,960.48x = 136,613,749.92 × 54,941,400.68
  4. Step 4: Simplify right side
    98,996,960.48x = 7,505,750,772,752,037
  5. Step 5: Solve for x
    x = 7,505,750,772,752,037/98,996,960.48
  6. Step 6: Final answer
    x = 75,817,992.15

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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.