Home / 68,987,397.80-95,208,332.01-39,624,396.82

Finding the Fourth Proportional to 68,987,397.80, 95,208,332.01 and 39,624,396.82

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Solution

The fourth proportional to 68,987,397.80, 95,208,332.01 and 39,624,396.82 is: 54,684,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,987,397.80 : 95,208,332.01 = 39,624,396.82 : x
  2. Step 2: Convert to fraction form
    68,987,397.80/95,208,332.01 = 39,624,396.82/x
  3. Step 3: Cross multiply
    68,987,397.80x = 95,208,332.01 × 39,624,396.82
  4. Step 4: Simplify right side
    68,987,397.80x = 3,772,572,727,747,936
  5. Step 5: Solve for x
    x = 3,772,572,727,747,936/68,987,397.80
  6. Step 6: Final answer
    x = 54,684,954.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.