Home / 69,839,334.66-96,378,312.06-40,487,683.80

Finding the Fourth Proportional to 69,839,334.66, 96,378,312.06 and 40,487,683.80

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Solution

The fourth proportional to 69,839,334.66, 96,378,312.06 and 40,487,683.80 is: 55,873,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,839,334.66 : 96,378,312.06 = 40,487,683.80 : x
  2. Step 2: Convert to fraction form
    69,839,334.66/96,378,312.06 = 40,487,683.80/x
  3. Step 3: Cross multiply
    69,839,334.66x = 96,378,312.06 × 40,487,683.80
  4. Step 4: Simplify right side
    69,839,334.66x = 3,902,134,623,863,006.50
  5. Step 5: Solve for x
    x = 3,902,134,623,863,006.50/69,839,334.66
  6. Step 6: Final answer
    x = 55,873,021.17

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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.