Home / 172,448,271.60-258,672,407.40-159,977,122.80

Finding the Fourth Proportional to 172,448,271.60, 258,672,407.40 and 159,977,122.80

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Solution

The fourth proportional to 172,448,271.60, 258,672,407.40 and 159,977,122.80 is: 239,965,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,448,271.60 : 258,672,407.40 = 159,977,122.80 : x
  2. Step 2: Convert to fraction form
    172,448,271.60/258,672,407.40 = 159,977,122.80/x
  3. Step 3: Cross multiply
    172,448,271.60x = 258,672,407.40 × 159,977,122.80
  4. Step 4: Simplify right side
    172,448,271.60x = 41,381,667,483,601,432
  5. Step 5: Solve for x
    x = 41,381,667,483,601,432/172,448,271.60
  6. Step 6: Final answer
    x = 239,965,684.20

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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.