Home / 124,847,998.20-187,271,997.30-102,154,519.80

Finding the Fourth Proportional to 124,847,998.20, 187,271,997.30 and 102,154,519.80

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Solution

The fourth proportional to 124,847,998.20, 187,271,997.30 and 102,154,519.80 is: 153,231,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847,998.20 : 187,271,997.30 = 102,154,519.80 : x
  2. Step 2: Convert to fraction form
    124,847,998.20/187,271,997.30 = 102,154,519.80/x
  3. Step 3: Cross multiply
    124,847,998.20x = 187,271,997.30 × 102,154,519.80
  4. Step 4: Simplify right side
    124,847,998.20x = 19,130,680,956,168,396
  5. Step 5: Solve for x
    x = 19,130,680,956,168,396/124,847,998.20
  6. Step 6: Final answer
    x = 153,231,779.70

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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.