Home / 73,175,967.51-100,982,979.50-40,136,485.57

Finding the Fourth Proportional to 73,175,967.51, 100,982,979.50 and 40,136,485.57

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Solution

The fourth proportional to 73,175,967.51, 100,982,979.50 and 40,136,485.57 is: 55,388,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175,967.51 : 100,982,979.50 = 40,136,485.57 : x
  2. Step 2: Convert to fraction form
    73,175,967.51/100,982,979.50 = 40,136,485.57/x
  3. Step 3: Cross multiply
    73,175,967.51x = 100,982,979.50 × 40,136,485.57
  4. Step 4: Simplify right side
    73,175,967.51x = 4,053,101,899,289,783
  5. Step 5: Solve for x
    x = 4,053,101,899,289,783/73,175,967.51
  6. Step 6: Final answer
    x = 55,388,429.25

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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.