Home / 157,801,181.42-217,746,770.64-87,227,258.24

Finding the Fourth Proportional to 157,801,181.42, 217,746,770.64 and 87,227,258.24

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Solution

The fourth proportional to 157,801,181.42, 217,746,770.64 and 87,227,258.24 is: 120,363,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801,181.42 : 217,746,770.64 = 87,227,258.24 : x
  2. Step 2: Convert to fraction form
    157,801,181.42/217,746,770.64 = 87,227,258.24/x
  3. Step 3: Cross multiply
    157,801,181.42x = 217,746,770.64 × 87,227,258.24
  4. Step 4: Simplify right side
    157,801,181.42x = 18,993,453,793,541,328
  5. Step 5: Solve for x
    x = 18,993,453,793,541,328/157,801,181.42
  6. Step 6: Final answer
    x = 120,363,191.34

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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.