Home / 35,476,877.20-53,215,315.80-20,108,390.80

Finding the Fourth Proportional to 35,476,877.20, 53,215,315.80 and 20,108,390.80

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Solution

The fourth proportional to 35,476,877.20, 53,215,315.80 and 20,108,390.80 is: 30,162,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476,877.20 : 53,215,315.80 = 20,108,390.80 : x
  2. Step 2: Convert to fraction form
    35,476,877.20/53,215,315.80 = 20,108,390.80/x
  3. Step 3: Cross multiply
    35,476,877.20x = 53,215,315.80 × 20,108,390.80
  4. Step 4: Simplify right side
    35,476,877.20x = 1,070,074,366,651,814.62
  5. Step 5: Solve for x
    x = 1,070,074,366,651,814.62/35,476,877.20
  6. Step 6: Final answer
    x = 30,162,586.20

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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.