Home / 52,354,089.79-78,428,970.97-40,785,388.62

Finding the Fourth Proportional to 52,354,089.79, 78,428,970.97 and 40,785,388.62

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Solution

The fourth proportional to 52,354,089.79, 78,428,970.97 and 40,785,388.62 is: 61,098,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,354,089.79 : 78,428,970.97 = 40,785,388.62 : x
  2. Step 2: Convert to fraction form
    52,354,089.79/78,428,970.97 = 40,785,388.62/x
  3. Step 3: Cross multiply
    52,354,089.79x = 78,428,970.97 × 40,785,388.62
  4. Step 4: Simplify right side
    52,354,089.79x = 3,198,756,059,682,076.50
  5. Step 5: Solve for x
    x = 3,198,756,059,682,076.50/52,354,089.79
  6. Step 6: Final answer
    x = 61,098,494.36

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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.