Home / 124,379,358.39-171,698,560.79-80,347,831.29

Finding the Fourth Proportional to 124,379,358.39, 171,698,560.79 and 80,347,831.29

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Solution

The fourth proportional to 124,379,358.39, 171,698,560.79 and 80,347,831.29 is: 110,915,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,379,358.39 : 171,698,560.79 = 80,347,831.29 : x
  2. Step 2: Convert to fraction form
    124,379,358.39/171,698,560.79 = 80,347,831.29/x
  3. Step 3: Cross multiply
    124,379,358.39x = 171,698,560.79 × 80,347,831.29
  4. Step 4: Simplify right side
    124,379,358.39x = 13,795,606,994,688,990
  5. Step 5: Solve for x
    x = 13,795,606,994,688,990/124,379,358.39
  6. Step 6: Final answer
    x = 110,915,566.48

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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.