Home / 247,161,880.80-370,742,821.20-189,942,962.40

Finding the Fourth Proportional to 247,161,880.80, 370,742,821.20 and 189,942,962.40

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Solution

The fourth proportional to 247,161,880.80, 370,742,821.20 and 189,942,962.40 is: 284,914,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,161,880.80 : 370,742,821.20 = 189,942,962.40 : x
  2. Step 2: Convert to fraction form
    247,161,880.80/370,742,821.20 = 189,942,962.40/x
  3. Step 3: Cross multiply
    247,161,880.80x = 370,742,821.20 × 189,942,962.40
  4. Step 4: Simplify right side
    247,161,880.80x = 70,419,989,747,261,520
  5. Step 5: Solve for x
    x = 70,419,989,747,261,520/247,161,880.80
  6. Step 6: Final answer
    x = 284,914,443.60

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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.