Home / 134,568,326.92-185,704,365.90-72,688,666

Finding the Fourth Proportional to 134,568,326.92, 185,704,365.90 and 72,688,666

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Solution

The fourth proportional to 134,568,326.92, 185,704,365.90 and 72,688,666 is: 100,310,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,326.92 : 185,704,365.90 = 72,688,666 : x
  2. Step 2: Convert to fraction form
    134,568,326.92/185,704,365.90 = 72,688,666/x
  3. Step 3: Cross multiply
    134,568,326.92x = 185,704,365.90 × 72,688,666
  4. Step 4: Simplify right side
    134,568,326.92x = 13,498,602,627,646,890
  5. Step 5: Solve for x
    x = 13,498,602,627,646,890/134,568,326.92
  6. Step 6: Final answer
    x = 100,310,399.46

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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.