Home / 196,254,920.74-270,833,581.78-108,152,079.55

Finding the Fourth Proportional to 196,254,920.74, 270,833,581.78 and 108,152,079.55

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Solution

The fourth proportional to 196,254,920.74, 270,833,581.78 and 108,152,079.55 is: 149,250,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254,920.74 : 270,833,581.78 = 108,152,079.55 : x
  2. Step 2: Convert to fraction form
    196,254,920.74/270,833,581.78 = 108,152,079.55/x
  3. Step 3: Cross multiply
    196,254,920.74x = 270,833,581.78 × 108,152,079.55
  4. Step 4: Simplify right side
    196,254,920.74x = 29,291,215,081,481,988
  5. Step 5: Solve for x
    x = 29,291,215,081,481,988/196,254,920.74
  6. Step 6: Final answer
    x = 149,250,856.85

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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.