Home / 201,964,138.80-302,834,233.80-86,929,105.20

Finding the Fourth Proportional to 201,964,138.80, 302,834,233.80 and 86,929,105.20

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Solution

The fourth proportional to 201,964,138.80, 302,834,233.80 and 86,929,105.20 is: 130,345,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,964,138.80 : 302,834,233.80 = 86,929,105.20 : x
  2. Step 2: Convert to fraction form
    201,964,138.80/302,834,233.80 = 86,929,105.20/x
  3. Step 3: Cross multiply
    201,964,138.80x = 302,834,233.80 × 86,929,105.20
  4. Step 4: Simplify right side
    201,964,138.80x = 26,325,108,968,161,596
  5. Step 5: Solve for x
    x = 26,325,108,968,161,596/201,964,138.80
  6. Step 6: Final answer
    x = 130,345,461.94

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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.