Home / 134,568,323.06-185,704,360.55-72,688,662.23

Finding the Fourth Proportional to 134,568,323.06, 185,704,360.55 and 72,688,662.23

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Solution

The fourth proportional to 134,568,323.06, 185,704,360.55 and 72,688,662.23 is: 100,310,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,323.06 : 185,704,360.55 = 72,688,662.23 : x
  2. Step 2: Convert to fraction form
    134,568,323.06/185,704,360.55 = 72,688,662.23/x
  3. Step 3: Cross multiply
    134,568,323.06x = 185,704,360.55 × 72,688,662.23
  4. Step 4: Simplify right side
    134,568,323.06x = 13,498,601,539,303,070
  5. Step 5: Solve for x
    x = 13,498,601,539,303,070/134,568,323.06
  6. Step 6: Final answer
    x = 100,310,394.25

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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.