Home / 159,037,354.80-238,556,032.20-130,315,921.20

Finding the Fourth Proportional to 159,037,354.80, 238,556,032.20 and 130,315,921.20

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Solution

The fourth proportional to 159,037,354.80, 238,556,032.20 and 130,315,921.20 is: 195,473,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,037,354.80 : 238,556,032.20 = 130,315,921.20 : x
  2. Step 2: Convert to fraction form
    159,037,354.80/238,556,032.20 = 130,315,921.20/x
  3. Step 3: Cross multiply
    159,037,354.80x = 238,556,032.20 × 130,315,921.20
  4. Step 4: Simplify right side
    159,037,354.80x = 31,087,649,093,959,860
  5. Step 5: Solve for x
    x = 31,087,649,093,959,860/159,037,354.80
  6. Step 6: Final answer
    x = 195,473,881.80

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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.