Home / 272,616,052.20-408,924,078.30-163,776,935.40

Finding the Fourth Proportional to 272,616,052.20, 408,924,078.30 and 163,776,935.40

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Solution

The fourth proportional to 272,616,052.20, 408,924,078.30 and 163,776,935.40 is: 245,665,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,616,052.20 : 408,924,078.30 = 163,776,935.40 : x
  2. Step 2: Convert to fraction form
    272,616,052.20/408,924,078.30 = 163,776,935.40/x
  3. Step 3: Cross multiply
    272,616,052.20x = 408,924,078.30 × 163,776,935.40
  4. Step 4: Simplify right side
    272,616,052.20x = 66,972,332,355,243,648
  5. Step 5: Solve for x
    x = 66,972,332,355,243,648/272,616,052.20
  6. Step 6: Final answer
    x = 245,665,403.10

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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.