Home / 56,075,442.82-84,126,376.29-19,187,734.42

Finding the Fourth Proportional to 56,075,442.82, 84,126,376.29 and 19,187,734.42

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Solution

The fourth proportional to 56,075,442.82, 84,126,376.29 and 19,187,734.42 is: 28,786,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075,442.82 : 84,126,376.29 = 19,187,734.42 : x
  2. Step 2: Convert to fraction form
    56,075,442.82/84,126,376.29 = 19,187,734.42/x
  3. Step 3: Cross multiply
    56,075,442.82x = 84,126,376.29 × 19,187,734.42
  4. Step 4: Simplify right side
    56,075,442.82x = 1,614,194,565,969,505.25
  5. Step 5: Solve for x
    x = 1,614,194,565,969,505.25/56,075,442.82
  6. Step 6: Final answer
    x = 28,786,122.49

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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.