Home / 60,660,854.50-90,991,281.75-20,271,338.50

Finding the Fourth Proportional to 60,660,854.50, 90,991,281.75 and 20,271,338.50

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Solution

The fourth proportional to 60,660,854.50, 90,991,281.75 and 20,271,338.50 is: 30,407,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660,854.50 : 90,991,281.75 = 20,271,338.50 : x
  2. Step 2: Convert to fraction form
    60,660,854.50/90,991,281.75 = 20,271,338.50/x
  3. Step 3: Cross multiply
    60,660,854.50x = 90,991,281.75 × 20,271,338.50
  4. Step 4: Simplify right side
    60,660,854.50x = 1,844,515,072,903,122.50
  5. Step 5: Solve for x
    x = 1,844,515,072,903,122.50/60,660,854.50
  6. Step 6: Final answer
    x = 30,407,007.75

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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.