Home / 201,472,324.80-302,208,487.20-65,171,486.40

Finding the Fourth Proportional to 201,472,324.80, 302,208,487.20 and 65,171,486.40

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Solution

The fourth proportional to 201,472,324.80, 302,208,487.20 and 65,171,486.40 is: 97,757,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,472,324.80 : 302,208,487.20 = 65,171,486.40 : x
  2. Step 2: Convert to fraction form
    201,472,324.80/302,208,487.20 = 65,171,486.40/x
  3. Step 3: Cross multiply
    201,472,324.80x = 302,208,487.20 × 65,171,486.40
  4. Step 4: Simplify right side
    201,472,324.80x = 19,695,376,313,519,372
  5. Step 5: Solve for x
    x = 19,695,376,313,519,372/201,472,324.80
  6. Step 6: Final answer
    x = 97,757,229.60

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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.