Home / 60,509,176.40-90,751,954.80-20,119,660.40

Finding the Fourth Proportional to 60,509,176.40, 90,751,954.80 and 20,119,660.40

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Solution

The fourth proportional to 60,509,176.40, 90,751,954.80 and 20,119,660.40 is: 30,175,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509,176.40 : 90,751,954.80 = 20,119,660.40 : x
  2. Step 2: Convert to fraction form
    60,509,176.40/90,751,954.80 = 20,119,660.40/x
  3. Step 3: Cross multiply
    60,509,176.40x = 90,751,954.80 × 20,119,660.40
  4. Step 4: Simplify right side
    60,509,176.40x = 1,825,898,511,212,149.75
  5. Step 5: Solve for x
    x = 1,825,898,511,212,149.75/60,509,176.40
  6. Step 6: Final answer
    x = 30,175,563.77

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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.