Home / 70,340,127.27-97,069,945.68-38,978,700.18

Finding the Fourth Proportional to 70,340,127.27, 97,069,945.68 and 38,978,700.18

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Solution

The fourth proportional to 70,340,127.27, 97,069,945.68 and 38,978,700.18 is: 53,790,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340,127.27 : 97,069,945.68 = 38,978,700.18 : x
  2. Step 2: Convert to fraction form
    70,340,127.27/97,069,945.68 = 38,978,700.18/x
  3. Step 3: Cross multiply
    70,340,127.27x = 97,069,945.68 × 38,978,700.18
  4. Step 4: Simplify right side
    70,340,127.27x = 3,783,660,309,149,606.50
  5. Step 5: Solve for x
    x = 3,783,660,309,149,606.50/70,340,127.27
  6. Step 6: Final answer
    x = 53,790,922.14

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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.