Home / 77,124,871.80-115,696,086.34-27,963,876.67

Finding the Fourth Proportional to 77,124,871.80, 115,696,086.34 and 27,963,876.67

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Solution

The fourth proportional to 77,124,871.80, 115,696,086.34 and 27,963,876.67 is: 41,948,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124,871.80 : 115,696,086.34 = 27,963,876.67 : x
  2. Step 2: Convert to fraction form
    77,124,871.80/115,696,086.34 = 27,963,876.67/x
  3. Step 3: Cross multiply
    77,124,871.80x = 115,696,086.34 × 27,963,876.67
  4. Step 4: Simplify right side
    77,124,871.80x = 3,235,311,089,613,432
  5. Step 5: Solve for x
    x = 3,235,311,089,613,432/77,124,871.80
  6. Step 6: Final answer
    x = 41,948,997.96

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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.