Home / 221,336,605.40-332,004,908.10-67,982,415.80

Finding the Fourth Proportional to 221,336,605.40, 332,004,908.10 and 67,982,415.80

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Solution

The fourth proportional to 221,336,605.40, 332,004,908.10 and 67,982,415.80 is: 101,973,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,605.40 : 332,004,908.10 = 67,982,415.80 : x
  2. Step 2: Convert to fraction form
    221,336,605.40/332,004,908.10 = 67,982,415.80/x
  3. Step 3: Cross multiply
    221,336,605.40x = 332,004,908.10 × 67,982,415.80
  4. Step 4: Simplify right side
    221,336,605.40x = 22,570,495,710,094,988
  5. Step 5: Solve for x
    x = 22,570,495,710,094,988/221,336,605.40
  6. Step 6: Final answer
    x = 101,973,623.70

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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.