Home / 70,351,940.81-97,085,687.52-38,992,014.44

Finding the Fourth Proportional to 70,351,940.81, 97,085,687.52 and 38,992,014.44

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Solution

The fourth proportional to 70,351,940.81, 97,085,687.52 and 38,992,014.44 is: 53,808,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,940.81 : 97,085,687.52 = 38,992,014.44 : x
  2. Step 2: Convert to fraction form
    70,351,940.81/97,085,687.52 = 38,992,014.44/x
  3. Step 3: Cross multiply
    70,351,940.81x = 97,085,687.52 × 38,992,014.44
  4. Step 4: Simplify right side
    70,351,940.81x = 3,785,566,529,697,167.50
  5. Step 5: Solve for x
    x = 3,785,566,529,697,167.50/70,351,940.81
  6. Step 6: Final answer
    x = 53,808,985.03

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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.