Home / 54,578,000.10-81,867,000.15-39,192,783.15

Finding the Fourth Proportional to 54,578,000.10, 81,867,000.15 and 39,192,783.15

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Solution

The fourth proportional to 54,578,000.10, 81,867,000.15 and 39,192,783.15 is: 58,789,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578,000.10 : 81,867,000.15 = 39,192,783.15 : x
  2. Step 2: Convert to fraction form
    54,578,000.10/81,867,000.15 = 39,192,783.15/x
  3. Step 3: Cross multiply
    54,578,000.10x = 81,867,000.15 × 39,192,783.15
  4. Step 4: Simplify right side
    54,578,000.10x = 3,208,595,584,019,967.50
  5. Step 5: Solve for x
    x = 3,208,595,584,019,967.50/54,578,000.10
  6. Step 6: Final answer
    x = 58,789,174.73

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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.