Home / 256,251,166.60-353,633,081.96-157,186,540.12

Finding the Fourth Proportional to 256,251,166.60, 353,633,081.96 and 157,186,540.12

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Solution

The fourth proportional to 256,251,166.60, 353,633,081.96 and 157,186,540.12 is: 216,921,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,251,166.60 : 353,633,081.96 = 157,186,540.12 : x
  2. Step 2: Convert to fraction form
    256,251,166.60/353,633,081.96 = 157,186,540.12/x
  3. Step 3: Cross multiply
    256,251,166.60x = 353,633,081.96 × 157,186,540.12
  4. Step 4: Simplify right side
    256,251,166.60x = 55,586,360,625,264,784
  5. Step 5: Solve for x
    x = 55,586,360,625,264,784/256,251,166.60
  6. Step 6: Final answer
    x = 216,921,395.37

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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.