Home / 195,490,799.68-269,777,931.68-108,570,669.12

Finding the Fourth Proportional to 195,490,799.68, 269,777,931.68 and 108,570,669.12

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Solution

The fourth proportional to 195,490,799.68, 269,777,931.68 and 108,570,669.12 is: 149,827,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,490,799.68 : 269,777,931.68 = 108,570,669.12 : x
  2. Step 2: Convert to fraction form
    195,490,799.68/269,777,931.68 = 108,570,669.12/x
  3. Step 3: Cross multiply
    195,490,799.68x = 269,777,931.68 × 108,570,669.12
  4. Step 4: Simplify right side
    195,490,799.68x = 29,289,970,556,307,248
  5. Step 5: Solve for x
    x = 29,289,970,556,307,248/195,490,799.68
  6. Step 6: Final answer
    x = 149,827,872.23

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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.