Home / 145,307,436.82-217,837,705.91-67,629,449.16

Finding the Fourth Proportional to 145,307,436.82, 217,837,705.91 and 67,629,449.16

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Solution

The fourth proportional to 145,307,436.82, 217,837,705.91 and 67,629,449.16 is: 101,386,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,307,436.82 : 217,837,705.91 = 67,629,449.16 : x
  2. Step 2: Convert to fraction form
    145,307,436.82/217,837,705.91 = 67,629,449.16/x
  3. Step 3: Cross multiply
    145,307,436.82x = 217,837,705.91 × 67,629,449.16
  4. Step 4: Simplify right side
    145,307,436.82x = 14,732,244,056,633,228
  5. Step 5: Solve for x
    x = 14,732,244,056,633,228/145,307,436.82
  6. Step 6: Final answer
    x = 101,386,717.56

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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.