Home / 70,351,940.72-97,085,687.41-38,992,014.36

Finding the Fourth Proportional to 70,351,940.72, 97,085,687.41 and 38,992,014.36

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Solution

The fourth proportional to 70,351,940.72, 97,085,687.41 and 38,992,014.36 is: 53,808,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,940.72 : 97,085,687.41 = 38,992,014.36 : x
  2. Step 2: Convert to fraction form
    70,351,940.72/97,085,687.41 = 38,992,014.36/x
  3. Step 3: Cross multiply
    70,351,940.72x = 97,085,687.41 × 38,992,014.36
  4. Step 4: Simplify right side
    70,351,940.72x = 3,785,566,517,155,762.50
  5. Step 5: Solve for x
    x = 3,785,566,517,155,762.50/70,351,940.72
  6. Step 6: Final answer
    x = 53,808,984.92

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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.