Home / 53,590,909.14-80,391,158.91-20,800,710.36

Finding the Fourth Proportional to 53,590,909.14, 80,391,158.91 and 20,800,710.36

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Solution

The fourth proportional to 53,590,909.14, 80,391,158.91 and 20,800,710.36 is: 31,202,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,909.14 : 80,391,158.91 = 20,800,710.36 : x
  2. Step 2: Convert to fraction form
    53,590,909.14/80,391,158.91 = 20,800,710.36/x
  3. Step 3: Cross multiply
    53,590,909.14x = 80,391,158.91 × 20,800,710.36
  4. Step 4: Simplify right side
    53,590,909.14x = 1,672,193,211,991,643.25
  5. Step 5: Solve for x
    x = 1,672,193,211,991,643.25/53,590,909.14
  6. Step 6: Final answer
    x = 31,202,926.74

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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.