Home / 220,988,687.40-331,483,031.10-172,202,403.60

Finding the Fourth Proportional to 220,988,687.40, 331,483,031.10 and 172,202,403.60

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Solution

The fourth proportional to 220,988,687.40, 331,483,031.10 and 172,202,403.60 is: 258,303,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,988,687.40 : 331,483,031.10 = 172,202,403.60 : x
  2. Step 2: Convert to fraction form
    220,988,687.40/331,483,031.10 = 172,202,403.60/x
  3. Step 3: Cross multiply
    220,988,687.40x = 331,483,031.10 × 172,202,403.60
  4. Step 4: Simplify right side
    220,988,687.40x = 57,082,174,708,033,552
  5. Step 5: Solve for x
    x = 57,082,174,708,033,552/220,988,687.40
  6. Step 6: Final answer
    x = 258,303,605.40

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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.