Home / 71,010,679.86-97,993,783.80-39,649,216.50

Finding the Fourth Proportional to 71,010,679.86, 97,993,783.80 and 39,649,216.50

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Solution

The fourth proportional to 71,010,679.86, 97,993,783.80 and 39,649,216.50 is: 54,715,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010,679.86 : 97,993,783.80 = 39,649,216.50 : x
  2. Step 2: Convert to fraction form
    71,010,679.86/97,993,783.80 = 39,649,216.50/x
  3. Step 3: Cross multiply
    71,010,679.86x = 97,993,783.80 × 39,649,216.50
  4. Step 4: Simplify right side
    71,010,679.86x = 3,885,376,749,540,392.50
  5. Step 5: Solve for x
    x = 3,885,376,749,540,392.50/71,010,679.86
  6. Step 6: Final answer
    x = 54,715,385.87

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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.