Home / 201,964,143.80-302,834,241.30-86,929,110.20

Finding the Fourth Proportional to 201,964,143.80, 302,834,241.30 and 86,929,110.20

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Solution

The fourth proportional to 201,964,143.80, 302,834,241.30 and 86,929,110.20 is: 130,345,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,964,143.80 : 302,834,241.30 = 86,929,110.20 : x
  2. Step 2: Convert to fraction form
    201,964,143.80/302,834,241.30 = 86,929,110.20/x
  3. Step 3: Cross multiply
    201,964,143.80x = 302,834,241.30 × 86,929,110.20
  4. Step 4: Simplify right side
    201,964,143.80x = 26,325,111,134,301,092
  5. Step 5: Solve for x
    x = 26,325,111,134,301,092/201,964,143.80
  6. Step 6: Final answer
    x = 130,345,469.44

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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.