Home / 49,981,665.40-74,972,498.10-39,903,969.40

Finding the Fourth Proportional to 49,981,665.40, 74,972,498.10 and 39,903,969.40

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Solution

The fourth proportional to 49,981,665.40, 74,972,498.10 and 39,903,969.40 is: 59,855,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,981,665.40 : 74,972,498.10 = 39,903,969.40 : x
  2. Step 2: Convert to fraction form
    49,981,665.40/74,972,498.10 = 39,903,969.40/x
  3. Step 3: Cross multiply
    49,981,665.40x = 74,972,498.10 × 39,903,969.40
  4. Step 4: Simplify right side
    49,981,665.40x = 2,991,700,270,023,958
  5. Step 5: Solve for x
    x = 2,991,700,270,023,958/49,981,665.40
  6. Step 6: Final answer
    x = 59,855,954.10

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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.