Home / 72,619,946.44-100,217,626.39-39,582,335.41

Finding the Fourth Proportional to 72,619,946.44, 100,217,626.39 and 39,582,335.41

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Solution

The fourth proportional to 72,619,946.44, 100,217,626.39 and 39,582,335.41 is: 54,624,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,619,946.44 : 100,217,626.39 = 39,582,335.41 : x
  2. Step 2: Convert to fraction form
    72,619,946.44/100,217,626.39 = 39,582,335.41/x
  3. Step 3: Cross multiply
    72,619,946.44x = 100,217,626.39 × 39,582,335.41
  4. Step 4: Simplify right side
    72,619,946.44x = 3,966,847,701,561,981
  5. Step 5: Solve for x
    x = 3,966,847,701,561,981/72,619,946.44
  6. Step 6: Final answer
    x = 54,624,767.66

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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.