Home / 84,422,321.28-116,575,512.03-53,112,557.79

Finding the Fourth Proportional to 84,422,321.28, 116,575,512.03 and 53,112,557.79

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Solution

The fourth proportional to 84,422,321.28, 116,575,512.03 and 53,112,557.79 is: 73,341,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,422,321.28 : 116,575,512.03 = 53,112,557.79 : x
  2. Step 2: Convert to fraction form
    84,422,321.28/116,575,512.03 = 53,112,557.79/x
  3. Step 3: Cross multiply
    84,422,321.28x = 116,575,512.03 × 53,112,557.79
  4. Step 4: Simplify right side
    84,422,321.28x = 6,191,623,619,592,215
  5. Step 5: Solve for x
    x = 6,191,623,619,592,215/84,422,321.28
  6. Step 6: Final answer
    x = 73,341,072.90

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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.