Home / 113,823,464.82-170,723,706.83-77,170,695.29

Finding the Fourth Proportional to 113,823,464.82, 170,723,706.83 and 77,170,695.29

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Solution

The fourth proportional to 113,823,464.82, 170,723,706.83 and 77,170,695.29 is: 115,748,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823,464.82 : 170,723,706.83 = 77,170,695.29 : x
  2. Step 2: Convert to fraction form
    113,823,464.82/170,723,706.83 = 77,170,695.29/x
  3. Step 3: Cross multiply
    113,823,464.82x = 170,723,706.83 × 77,170,695.29
  4. Step 4: Simplify right side
    113,823,464.82x = 13,174,867,158,557,224
  5. Step 5: Solve for x
    x = 13,174,867,158,557,224/113,823,464.82
  6. Step 6: Final answer
    x = 115,748,252.61

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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.