Home / 157,414,236.75-217,232,401.43-86,849,843.16

Finding the Fourth Proportional to 157,414,236.75, 217,232,401.43 and 86,849,843.16

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Solution

The fourth proportional to 157,414,236.75, 217,232,401.43 and 86,849,843.16 is: 119,853,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414,236.75 : 217,232,401.43 = 86,849,843.16 : x
  2. Step 2: Convert to fraction form
    157,414,236.75/217,232,401.43 = 86,849,843.16/x
  3. Step 3: Cross multiply
    157,414,236.75x = 217,232,401.43 × 86,849,843.16
  4. Step 4: Simplify right side
    157,414,236.75x = 18,866,599,993,465,660
  5. Step 5: Solve for x
    x = 18,866,599,993,465,660/157,414,236.75
  6. Step 6: Final answer
    x = 119,853,199.96

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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.