Home / 56,080,134.05-77,390,692.09-30,962,291.92

Finding the Fourth Proportional to 56,080,134.05, 77,390,692.09 and 30,962,291.92

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Solution

The fourth proportional to 56,080,134.05, 77,390,692.09 and 30,962,291.92 is: 42,728,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080,134.05 : 77,390,692.09 = 30,962,291.92 : x
  2. Step 2: Convert to fraction form
    56,080,134.05/77,390,692.09 = 30,962,291.92/x
  3. Step 3: Cross multiply
    56,080,134.05x = 77,390,692.09 × 30,962,291.92
  4. Step 4: Simplify right side
    56,080,134.05x = 2,396,193,200,110,532.50
  5. Step 5: Solve for x
    x = 2,396,193,200,110,532.50/56,080,134.05
  6. Step 6: Final answer
    x = 42,728,021.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.