Home / 83,568,109.40-125,352,164.10-73,490,413.40

Finding the Fourth Proportional to 83,568,109.40, 125,352,164.10 and 73,490,413.40

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Solution

The fourth proportional to 83,568,109.40, 125,352,164.10 and 73,490,413.40 is: 110,235,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,568,109.40 : 125,352,164.10 = 73,490,413.40 : x
  2. Step 2: Convert to fraction form
    83,568,109.40/125,352,164.10 = 73,490,413.40/x
  3. Step 3: Cross multiply
    83,568,109.40x = 125,352,164.10 × 73,490,413.40
  4. Step 4: Simplify right side
    83,568,109.40x = 9,212,182,360,293,640
  5. Step 5: Solve for x
    x = 9,212,182,360,293,640/83,568,109.40
  6. Step 6: Final answer
    x = 110,235,620.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.