Home / 151,719,624.19-209,373,719.70-82,105,008.49

Finding the Fourth Proportional to 151,719,624.19, 209,373,719.70 and 82,105,008.49

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Solution

The fourth proportional to 151,719,624.19, 209,373,719.70 and 82,105,008.49 is: 113,305,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,624.19 : 209,373,719.70 = 82,105,008.49 : x
  2. Step 2: Convert to fraction form
    151,719,624.19/209,373,719.70 = 82,105,008.49/x
  3. Step 3: Cross multiply
    151,719,624.19x = 209,373,719.70 × 82,105,008.49
  4. Step 4: Simplify right side
    151,719,624.19x = 17,190,631,033,551,378
  5. Step 5: Solve for x
    x = 17,190,631,033,551,378/151,719,624.19
  6. Step 6: Final answer
    x = 113,305,257.15

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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.