Home / 52,178,843.20-78,193,615.20-38,424,654.40

Finding the Fourth Proportional to 52,178,843.20, 78,193,615.20 and 38,424,654.40

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Solution

The fourth proportional to 52,178,843.20, 78,193,615.20 and 38,424,654.40 is: 57,582,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,843.20 : 78,193,615.20 = 38,424,654.40 : x
  2. Step 2: Convert to fraction form
    52,178,843.20/78,193,615.20 = 38,424,654.40/x
  3. Step 3: Cross multiply
    52,178,843.20x = 78,193,615.20 × 38,424,654.40
  4. Step 4: Simplify right side
    52,178,843.20x = 3,004,562,640,346,587
  5. Step 5: Solve for x
    x = 3,004,562,640,346,587/52,178,843.20
  6. Step 6: Final answer
    x = 57,582,009.41

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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.