Home / 98,240,257.11-135,569,179.86-54,186,309.86

Finding the Fourth Proportional to 98,240,257.11, 135,569,179.86 and 54,186,309.86

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Solution

The fourth proportional to 98,240,257.11, 135,569,179.86 and 54,186,309.86 is: 74,775,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,240,257.11 : 135,569,179.86 = 54,186,309.86 : x
  2. Step 2: Convert to fraction form
    98,240,257.11/135,569,179.86 = 54,186,309.86/x
  3. Step 3: Cross multiply
    98,240,257.11x = 135,569,179.86 × 54,186,309.86
  4. Step 4: Simplify right side
    98,240,257.11x = 7,345,993,586,478,986
  5. Step 5: Solve for x
    x = 7,345,993,586,478,986/98,240,257.11
  6. Step 6: Final answer
    x = 74,775,797.64

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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.