Home / 77,401,472.20-116,102,447.04-19,109,156.88

Finding the Fourth Proportional to 77,401,472.20, 116,102,447.04 and 19,109,156.88

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Solution

The fourth proportional to 77,401,472.20, 116,102,447.04 and 19,109,156.88 is: 28,663,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401,472.20 : 116,102,447.04 = 19,109,156.88 : x
  2. Step 2: Convert to fraction form
    77,401,472.20/116,102,447.04 = 19,109,156.88/x
  3. Step 3: Cross multiply
    77,401,472.20x = 116,102,447.04 × 19,109,156.88
  4. Step 4: Simplify right side
    77,401,472.20x = 2,218,619,875,146,295
  5. Step 5: Solve for x
    x = 2,218,619,875,146,295/77,401,472.20
  6. Step 6: Final answer
    x = 28,663,794.27

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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.