Home / 112,227,998.40-168,300,007.20-39,416,644.80

Finding the Fourth Proportional to 112,227,998.40, 168,300,007.20 and 39,416,644.80

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Solution

The fourth proportional to 112,227,998.40, 168,300,007.20 and 39,416,644.80 is: 59,110,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227,998.40 : 168,300,007.20 = 39,416,644.80 : x
  2. Step 2: Convert to fraction form
    112,227,998.40/168,300,007.20 = 39,416,644.80/x
  3. Step 3: Cross multiply
    112,227,998.40x = 168,300,007.20 × 39,416,644.80
  4. Step 4: Simplify right side
    112,227,998.40x = 6,633,821,603,639,842
  5. Step 5: Solve for x
    x = 6,633,821,603,639,842/112,227,998.40
  6. Step 6: Final answer
    x = 59,110,219.36

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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.