Home / 73,382,578.45-101,268,023.42-40,343,389.71

Finding the Fourth Proportional to 73,382,578.45, 101,268,023.42 and 40,343,389.71

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Solution

The fourth proportional to 73,382,578.45, 101,268,023.42 and 40,343,389.71 is: 55,673,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,382,578.45 : 101,268,023.42 = 40,343,389.71 : x
  2. Step 2: Convert to fraction form
    73,382,578.45/101,268,023.42 = 40,343,389.71/x
  3. Step 3: Cross multiply
    73,382,578.45x = 101,268,023.42 × 40,343,389.71
  4. Step 4: Simplify right side
    73,382,578.45x = 4,085,495,333,994,467
  5. Step 5: Solve for x
    x = 4,085,495,333,994,467/73,382,578.45
  6. Step 6: Final answer
    x = 55,673,913.62

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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.