Home / 169,487,998.40-254,265,175.20-72,443,518.40

Finding the Fourth Proportional to 169,487,998.40, 254,265,175.20 and 72,443,518.40

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Solution

The fourth proportional to 169,487,998.40, 254,265,175.20 and 72,443,518.40 is: 108,679,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487,998.40 : 254,265,175.20 = 72,443,518.40 : x
  2. Step 2: Convert to fraction form
    169,487,998.40/254,265,175.20 = 72,443,518.40/x
  3. Step 3: Cross multiply
    169,487,998.40x = 254,265,175.20 × 72,443,518.40
  4. Step 4: Simplify right side
    169,487,998.40x = 18,419,863,898,080,424
  5. Step 5: Solve for x
    x = 18,419,863,898,080,424/169,487,998.40
  6. Step 6: Final answer
    x = 108,679,458.56

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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.