Home / 162,258,650.43-223,917,717.11-87,919,191.20

Finding the Fourth Proportional to 162,258,650.43, 223,917,717.11 and 87,919,191.20

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Solution

The fourth proportional to 162,258,650.43, 223,917,717.11 and 87,919,191.20 is: 121,328,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,650.43 : 223,917,717.11 = 87,919,191.20 : x
  2. Step 2: Convert to fraction form
    162,258,650.43/223,917,717.11 = 87,919,191.20/x
  3. Step 3: Cross multiply
    162,258,650.43x = 223,917,717.11 × 87,919,191.20
  4. Step 4: Simplify right side
    162,258,650.43x = 19,686,664,582,102,416
  5. Step 5: Solve for x
    x = 19,686,664,582,102,416/162,258,650.43
  6. Step 6: Final answer
    x = 121,328,906.22

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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.