Home / 80,246,015.65-110,737,627.77-47,208,392.02

Finding the Fourth Proportional to 80,246,015.65, 110,737,627.77 and 47,208,392.02

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Solution

The fourth proportional to 80,246,015.65, 110,737,627.77 and 47,208,392.02 is: 65,146,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,246,015.65 : 110,737,627.77 = 47,208,392.02 : x
  2. Step 2: Convert to fraction form
    80,246,015.65/110,737,627.77 = 47,208,392.02/x
  3. Step 3: Cross multiply
    80,246,015.65x = 110,737,627.77 × 47,208,392.02
  4. Step 4: Simplify right side
    80,246,015.65x = 5,227,745,343,130,999
  5. Step 5: Solve for x
    x = 5,227,745,343,130,999/80,246,015.65
  6. Step 6: Final answer
    x = 65,146,478.62

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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.