Home / 212,412,404.30-318,618,606.45-155,016,776.30

Finding the Fourth Proportional to 212,412,404.30, 318,618,606.45 and 155,016,776.30

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Solution

The fourth proportional to 212,412,404.30, 318,618,606.45 and 155,016,776.30 is: 232,525,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,412,404.30 : 318,618,606.45 = 155,016,776.30 : x
  2. Step 2: Convert to fraction form
    212,412,404.30/318,618,606.45 = 155,016,776.30/x
  3. Step 3: Cross multiply
    212,412,404.30x = 318,618,606.45 × 155,016,776.30
  4. Step 4: Simplify right side
    212,412,404.30x = 49,391,229,241,077,392
  5. Step 5: Solve for x
    x = 49,391,229,241,077,392/212,412,404.30
  6. Step 6: Final answer
    x = 232,525,164.45

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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.