Home / 71,113,379.56-106,670,110.80-19,995,398.37

Finding the Fourth Proportional to 71,113,379.56, 106,670,110.80 and 19,995,398.37

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Solution

The fourth proportional to 71,113,379.56, 106,670,110.80 and 19,995,398.37 is: 29,993,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113,379.56 : 106,670,110.80 = 19,995,398.37 : x
  2. Step 2: Convert to fraction form
    71,113,379.56/106,670,110.80 = 19,995,398.37/x
  3. Step 3: Cross multiply
    71,113,379.56x = 106,670,110.80 × 19,995,398.37
  4. Step 4: Simplify right side
    71,113,379.56x = 2,132,911,359,580,448.25
  5. Step 5: Solve for x
    x = 2,132,911,359,580,448.25/71,113,379.56
  6. Step 6: Final answer
    x = 29,993,109.21

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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.