Home / 57,149,195.76-85,735,603.80-18,813,010.32

Finding the Fourth Proportional to 57,149,195.76, 85,735,603.80 and 18,813,010.32

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Solution

The fourth proportional to 57,149,195.76, 85,735,603.80 and 18,813,010.32 is: 28,223,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149,195.76 : 85,735,603.80 = 18,813,010.32 : x
  2. Step 2: Convert to fraction form
    57,149,195.76/85,735,603.80 = 18,813,010.32/x
  3. Step 3: Cross multiply
    57,149,195.76x = 85,735,603.80 × 18,813,010.32
  4. Step 4: Simplify right side
    57,149,195.76x = 1,612,944,799,080,831.25
  5. Step 5: Solve for x
    x = 1,612,944,799,080,831.25/57,149,195.76
  6. Step 6: Final answer
    x = 28,223,403.28

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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.