Home / 80,245,981.93-110,737,581.56-47,208,358.63

Finding the Fourth Proportional to 80,245,981.93, 110,737,581.56 and 47,208,358.63

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Solution

The fourth proportional to 80,245,981.93, 110,737,581.56 and 47,208,358.63 is: 65,146,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245,981.93 : 110,737,581.56 = 47,208,358.63 : x
  2. Step 2: Convert to fraction form
    80,245,981.93/110,737,581.56 = 47,208,358.63/x
  3. Step 3: Cross multiply
    80,245,981.93x = 110,737,581.56 × 47,208,358.63
  4. Step 4: Simplify right side
    80,245,981.93x = 5,227,739,464,103,355
  5. Step 5: Solve for x
    x = 5,227,739,464,103,355/80,245,981.93
  6. Step 6: Final answer
    x = 65,146,432.74

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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.