Home / 65,448,003.40-98,172,005.10-20,009,797.90

Finding the Fourth Proportional to 65,448,003.40, 98,172,005.10 and 20,009,797.90

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Solution

The fourth proportional to 65,448,003.40, 98,172,005.10 and 20,009,797.90 is: 30,014,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,003.40 : 98,172,005.10 = 20,009,797.90 : x
  2. Step 2: Convert to fraction form
    65,448,003.40/98,172,005.10 = 20,009,797.90/x
  3. Step 3: Cross multiply
    65,448,003.40x = 98,172,005.10 × 20,009,797.90
  4. Step 4: Simplify right side
    65,448,003.40x = 1,964,401,981,488,769
  5. Step 5: Solve for x
    x = 1,964,401,981,488,769/65,448,003.40
  6. Step 6: Final answer
    x = 30,014,696.85

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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.