Home / 73,386,586.20-109,953,908.10-47,814,432.60

Finding the Fourth Proportional to 73,386,586.20, 109,953,908.10 and 47,814,432.60

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Solution

The fourth proportional to 73,386,586.20, 109,953,908.10 and 47,814,432.60 is: 71,639,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,386,586.20 : 109,953,908.10 = 47,814,432.60 : x
  2. Step 2: Convert to fraction form
    73,386,586.20/109,953,908.10 = 47,814,432.60/x
  3. Step 3: Cross multiply
    73,386,586.20x = 109,953,908.10 × 47,814,432.60
  4. Step 4: Simplify right side
    73,386,586.20x = 5,257,383,727,954,044
  5. Step 5: Solve for x
    x = 5,257,383,727,954,044/73,386,586.20
  6. Step 6: Final answer
    x = 71,639,573.39

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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.