Home / 73,683,634.80-110,525,452.20-21,870,105.60

Finding the Fourth Proportional to 73,683,634.80, 110,525,452.20 and 21,870,105.60

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Solution

The fourth proportional to 73,683,634.80, 110,525,452.20 and 21,870,105.60 is: 32,805,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,683,634.80 : 110,525,452.20 = 21,870,105.60 : x
  2. Step 2: Convert to fraction form
    73,683,634.80/110,525,452.20 = 21,870,105.60/x
  3. Step 3: Cross multiply
    73,683,634.80x = 110,525,452.20 × 21,870,105.60
  4. Step 4: Simplify right side
    73,683,634.80x = 2,417,203,311,101,752.50
  5. Step 5: Solve for x
    x = 2,417,203,311,101,752.50/73,683,634.80
  6. Step 6: Final answer
    x = 32,805,158.40

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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.