Home / 80,708,845.77-121,083,545.79-23,201,221.50

Finding the Fourth Proportional to 80,708,845.77, 121,083,545.79 and 23,201,221.50

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Solution

The fourth proportional to 80,708,845.77, 121,083,545.79 and 23,201,221.50 is: 34,807,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708,845.77 : 121,083,545.79 = 23,201,221.50 : x
  2. Step 2: Convert to fraction form
    80,708,845.77/121,083,545.79 = 23,201,221.50/x
  3. Step 3: Cross multiply
    80,708,845.77x = 121,083,545.79 × 23,201,221.50
  4. Step 4: Simplify right side
    80,708,845.77x = 2,809,286,165,879,182.50
  5. Step 5: Solve for x
    x = 2,809,286,165,879,182.50/80,708,845.77
  6. Step 6: Final answer
    x = 34,807,661.28

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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.