Home / 240,290,401.80-360,435,602.70-67,764,970.20

Finding the Fourth Proportional to 240,290,401.80, 360,435,602.70 and 67,764,970.20

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Solution

The fourth proportional to 240,290,401.80, 360,435,602.70 and 67,764,970.20 is: 101,647,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,290,401.80 : 360,435,602.70 = 67,764,970.20 : x
  2. Step 2: Convert to fraction form
    240,290,401.80/360,435,602.70 = 67,764,970.20/x
  3. Step 3: Cross multiply
    240,290,401.80x = 360,435,602.70 × 67,764,970.20
  4. Step 4: Simplify right side
    240,290,401.80x = 24,424,907,875,984,540
  5. Step 5: Solve for x
    x = 24,424,907,875,984,540/240,290,401.80
  6. Step 6: Final answer
    x = 101,647,455.30

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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.