Home / 80,245,980.43-110,737,579.49-47,208,357.14

Finding the Fourth Proportional to 80,245,980.43, 110,737,579.49 and 47,208,357.14

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Solution

The fourth proportional to 80,245,980.43, 110,737,579.49 and 47,208,357.14 is: 65,146,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245,980.43 : 110,737,579.49 = 47,208,357.14 : x
  2. Step 2: Convert to fraction form
    80,245,980.43/110,737,579.49 = 47,208,357.14/x
  3. Step 3: Cross multiply
    80,245,980.43x = 110,737,579.49 × 47,208,357.14
  4. Step 4: Simplify right side
    80,245,980.43x = 5,227,739,200,829,371
  5. Step 5: Solve for x
    x = 5,227,739,200,829,371/80,245,980.43
  6. Step 6: Final answer
    x = 65,146,430.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.