Home / 70,362,688.68-105,542,538.30-19,244,707.56

Finding the Fourth Proportional to 70,362,688.68, 105,542,538.30 and 19,244,707.56

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Solution

The fourth proportional to 70,362,688.68, 105,542,538.30 and 19,244,707.56 is: 28,866,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362,688.68 : 105,542,538.30 = 19,244,707.56 : x
  2. Step 2: Convert to fraction form
    70,362,688.68/105,542,538.30 = 19,244,707.56/x
  3. Step 3: Cross multiply
    70,362,688.68x = 105,542,538.30 × 19,244,707.56
  4. Step 4: Simplify right side
    70,362,688.68x = 2,031,135,284,723,599.25
  5. Step 5: Solve for x
    x = 2,031,135,284,723,599.25/70,362,688.68
  6. Step 6: Final answer
    x = 28,866,652.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.