Home / 53,041,768.20-79,488,002.70-39,287,579.40

Finding the Fourth Proportional to 53,041,768.20, 79,488,002.70 and 39,287,579.40

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Solution

The fourth proportional to 53,041,768.20, 79,488,002.70 and 39,287,579.40 is: 58,876,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,041,768.20 : 79,488,002.70 = 39,287,579.40 : x
  2. Step 2: Convert to fraction form
    53,041,768.20/79,488,002.70 = 39,287,579.40/x
  3. Step 3: Cross multiply
    53,041,768.20x = 79,488,002.70 × 39,287,579.40
  4. Step 4: Simplify right side
    53,041,768.20x = 3,122,891,217,423,664.50
  5. Step 5: Solve for x
    x = 3,122,891,217,423,664.50/53,041,768.20
  6. Step 6: Final answer
    x = 58,876,076.79

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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.