Home / 133,859,962.20-200,789,943.30-76,464,334.20

Finding the Fourth Proportional to 133,859,962.20, 200,789,943.30 and 76,464,334.20

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Solution

The fourth proportional to 133,859,962.20, 200,789,943.30 and 76,464,334.20 is: 114,696,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,859,962.20 : 200,789,943.30 = 76,464,334.20 : x
  2. Step 2: Convert to fraction form
    133,859,962.20/200,789,943.30 = 76,464,334.20/x
  3. Step 3: Cross multiply
    133,859,962.20x = 200,789,943.30 × 76,464,334.20
  4. Step 4: Simplify right side
    133,859,962.20x = 15,353,269,328,490,252
  5. Step 5: Solve for x
    x = 15,353,269,328,490,252/133,859,962.20
  6. Step 6: Final answer
    x = 114,696,501.30

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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.