Home / 80,970,117.09-111,622,544.28-57,724,887.75

Finding the Fourth Proportional to 80,970,117.09, 111,622,544.28 and 57,724,887.75

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Solution

The fourth proportional to 80,970,117.09, 111,622,544.28 and 57,724,887.75 is: 79,577,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,970,117.09 : 111,622,544.28 = 57,724,887.75 : x
  2. Step 2: Convert to fraction form
    80,970,117.09/111,622,544.28 = 57,724,887.75/x
  3. Step 3: Cross multiply
    80,970,117.09x = 111,622,544.28 × 57,724,887.75
  4. Step 4: Simplify right side
    80,970,117.09x = 6,443,398,838,932,405
  5. Step 5: Solve for x
    x = 6,443,398,838,932,405/80,970,117.09
  6. Step 6: Final answer
    x = 79,577,491.93

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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.