Home / 71,082,005.20-106,623,007.80-58,167,988.90

Finding the Fourth Proportional to 71,082,005.20, 106,623,007.80 and 58,167,988.90

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Solution

The fourth proportional to 71,082,005.20, 106,623,007.80 and 58,167,988.90 is: 87,251,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,005.20 : 106,623,007.80 = 58,167,988.90 : x
  2. Step 2: Convert to fraction form
    71,082,005.20/106,623,007.80 = 58,167,988.90/x
  3. Step 3: Cross multiply
    71,082,005.20x = 106,623,007.80 × 58,167,988.90
  4. Step 4: Simplify right side
    71,082,005.20x = 6,202,045,934,195,013
  5. Step 5: Solve for x
    x = 6,202,045,934,195,013/71,082,005.20
  6. Step 6: Final answer
    x = 87,251,983.35

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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.