Home / 302,557,998.20-453,774,011.70-130,040,439.80

Finding the Fourth Proportional to 302,557,998.20, 453,774,011.70 and 130,040,439.80

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Solution

The fourth proportional to 302,557,998.20, 453,774,011.70 and 130,040,439.80 is: 195,033,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,557,998.20 : 453,774,011.70 = 130,040,439.80 : x
  2. Step 2: Convert to fraction form
    302,557,998.20/453,774,011.70 = 130,040,439.80/x
  3. Step 3: Cross multiply
    302,557,998.20x = 453,774,011.70 × 130,040,439.80
  4. Step 4: Simplify right side
    302,557,998.20x = 59,008,972,051,278,344
  5. Step 5: Solve for x
    x = 59,008,972,051,278,344/302,557,998.20
  6. Step 6: Final answer
    x = 195,033,588.28

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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.