Home / 71,284,752.87-98,356,098.06-40,344,921.24

Finding the Fourth Proportional to 71,284,752.87, 98,356,098.06 and 40,344,921.24

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Solution

The fourth proportional to 71,284,752.87, 98,356,098.06 and 40,344,921.24 is: 55,666,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,284,752.87 : 98,356,098.06 = 40,344,921.24 : x
  2. Step 2: Convert to fraction form
    71,284,752.87/98,356,098.06 = 40,344,921.24/x
  3. Step 3: Cross multiply
    71,284,752.87x = 98,356,098.06 × 40,344,921.24
  4. Step 4: Simplify right side
    71,284,752.87x = 3,968,169,029,704,417
  5. Step 5: Solve for x
    x = 3,968,169,029,704,417/71,284,752.87
  6. Step 6: Final answer
    x = 55,666,448.57

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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.