Home / 70,362,689.18-105,542,539.05-19,244,708.06

Finding the Fourth Proportional to 70,362,689.18, 105,542,539.05 and 19,244,708.06

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Solution

The fourth proportional to 70,362,689.18, 105,542,539.05 and 19,244,708.06 is: 28,866,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362,689.18 : 105,542,539.05 = 19,244,708.06 : x
  2. Step 2: Convert to fraction form
    70,362,689.18/105,542,539.05 = 19,244,708.06/x
  3. Step 3: Cross multiply
    70,362,689.18x = 105,542,539.05 × 19,244,708.06
  4. Step 4: Simplify right side
    70,362,689.18x = 2,031,135,351,928,399.50
  5. Step 5: Solve for x
    x = 2,031,135,351,928,399.50/70,362,689.18
  6. Step 6: Final answer
    x = 28,866,653.27

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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.