Home / 160,952,810.72-222,120,237.16-90,400,834.54

Finding the Fourth Proportional to 160,952,810.72, 222,120,237.16 and 90,400,834.54

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Solution

The fourth proportional to 160,952,810.72, 222,120,237.16 and 90,400,834.54 is: 124,756,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,952,810.72 : 222,120,237.16 = 90,400,834.54 : x
  2. Step 2: Convert to fraction form
    160,952,810.72/222,120,237.16 = 90,400,834.54/x
  3. Step 3: Cross multiply
    160,952,810.72x = 222,120,237.16 × 90,400,834.54
  4. Step 4: Simplify right side
    160,952,810.72x = 20,079,854,807,486,720
  5. Step 5: Solve for x
    x = 20,079,854,807,486,720/160,952,810.72
  6. Step 6: Final answer
    x = 124,756,161.25

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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.