Home / 271,606,608.90-407,516,201.55-99,100,860.30

Finding the Fourth Proportional to 271,606,608.90, 407,516,201.55 and 99,100,860.30

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Solution

The fourth proportional to 271,606,608.90, 407,516,201.55 and 99,100,860.30 is: 148,690,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,606,608.90 : 407,516,201.55 = 99,100,860.30 : x
  2. Step 2: Convert to fraction form
    271,606,608.90/407,516,201.55 = 99,100,860.30/x
  3. Step 3: Cross multiply
    271,606,608.90x = 407,516,201.55 × 99,100,860.30
  4. Step 4: Simplify right side
    271,606,608.90x = 40,385,206,159,793,192
  5. Step 5: Solve for x
    x = 40,385,206,159,793,192/271,606,608.90
  6. Step 6: Final answer
    x = 148,690,071.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.