Home / 70,669,405.20-97,523,192.52-39,729,712.08

Finding the Fourth Proportional to 70,669,405.20, 97,523,192.52 and 39,729,712.08

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Solution

The fourth proportional to 70,669,405.20, 97,523,192.52 and 39,729,712.08 is: 54,826,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669,405.20 : 97,523,192.52 = 39,729,712.08 : x
  2. Step 2: Convert to fraction form
    70,669,405.20/97,523,192.52 = 39,729,712.08/x
  3. Step 3: Cross multiply
    70,669,405.20x = 97,523,192.52 × 39,729,712.08
  4. Step 4: Simplify right side
    70,669,405.20x = 3,874,568,359,942,009.50
  5. Step 5: Solve for x
    x = 3,874,568,359,942,009.50/70,669,405.20
  6. Step 6: Final answer
    x = 54,826,672.86

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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.