Home / 172,438,100.40-258,756,683.40-64,743,610.80

Finding the Fourth Proportional to 172,438,100.40, 258,756,683.40 and 64,743,610.80

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Solution

The fourth proportional to 172,438,100.40, 258,756,683.40 and 64,743,610.80 is: 97,152,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,438,100.40 : 258,756,683.40 = 64,743,610.80 : x
  2. Step 2: Convert to fraction form
    172,438,100.40/258,756,683.40 = 64,743,610.80/x
  3. Step 3: Cross multiply
    172,438,100.40x = 258,756,683.40 × 64,743,610.80
  4. Step 4: Simplify right side
    172,438,100.40x = 16,752,842,001,948,420
  5. Step 5: Solve for x
    x = 16,752,842,001,948,420/172,438,100.40
  6. Step 6: Final answer
    x = 97,152,786.79

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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.