Home / 77,401,514.48-116,102,510.64-19,109,199.20

Finding the Fourth Proportional to 77,401,514.48, 116,102,510.64 and 19,109,199.20

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Solution

The fourth proportional to 77,401,514.48, 116,102,510.64 and 19,109,199.20 is: 28,663,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401,514.48 : 116,102,510.64 = 19,109,199.20 : x
  2. Step 2: Convert to fraction form
    77,401,514.48/116,102,510.64 = 19,109,199.20/x
  3. Step 3: Cross multiply
    77,401,514.48x = 116,102,510.64 × 19,109,199.20
  4. Step 4: Simplify right side
    77,401,514.48x = 2,218,626,003,439,879.50
  5. Step 5: Solve for x
    x = 2,218,626,003,439,879.50/77,401,514.48
  6. Step 6: Final answer
    x = 28,663,857.79

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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.