Home / 84,685,646.34-116,823,102.93-55,334,137.86

Finding the Fourth Proportional to 84,685,646.34, 116,823,102.93 and 55,334,137.86

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Solution

The fourth proportional to 84,685,646.34, 116,823,102.93 and 55,334,137.86 is: 76,332,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685,646.34 : 116,823,102.93 = 55,334,137.86 : x
  2. Step 2: Convert to fraction form
    84,685,646.34/116,823,102.93 = 55,334,137.86/x
  3. Step 3: Cross multiply
    84,685,646.34x = 116,823,102.93 × 55,334,137.86
  4. Step 4: Simplify right side
    84,685,646.34x = 6,464,305,682,761,590
  5. Step 5: Solve for x
    x = 6,464,305,682,761,590/84,685,646.34
  6. Step 6: Final answer
    x = 76,332,955.61

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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.