Home / 145,498,022.31-200,757,297.38-83,606,403.45

Finding the Fourth Proportional to 145,498,022.31, 200,757,297.38 and 83,606,403.45

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Solution

The fourth proportional to 145,498,022.31, 200,757,297.38 and 83,606,403.45 is: 115,359,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498,022.31 : 200,757,297.38 = 83,606,403.45 : x
  2. Step 2: Convert to fraction form
    145,498,022.31/200,757,297.38 = 83,606,403.45/x
  3. Step 3: Cross multiply
    145,498,022.31x = 200,757,297.38 × 83,606,403.45
  4. Step 4: Simplify right side
    145,498,022.31x = 16,784,595,600,852,812
  5. Step 5: Solve for x
    x = 16,784,595,600,852,812/145,498,022.31
  6. Step 6: Final answer
    x = 115,359,613.37

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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.