Home / 290,834,280.18-436,219,086.09-104,080,686.54

Finding the Fourth Proportional to 290,834,280.18, 436,219,086.09 and 104,080,686.54

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Solution

The fourth proportional to 290,834,280.18, 436,219,086.09 and 104,080,686.54 is: 156,109,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,834,280.18 : 436,219,086.09 = 104,080,686.54 : x
  2. Step 2: Convert to fraction form
    290,834,280.18/436,219,086.09 = 104,080,686.54/x
  3. Step 3: Cross multiply
    290,834,280.18x = 436,219,086.09 × 104,080,686.54
  4. Step 4: Simplify right side
    290,834,280.18x = 45,401,981,962,098,568
  5. Step 5: Solve for x
    x = 45,401,981,962,098,568/290,834,280.18
  6. Step 6: Final answer
    x = 156,109,458.40

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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.