Home / 84,225,420.93-116,228,939.55-47,055,980.34

Finding the Fourth Proportional to 84,225,420.93, 116,228,939.55 and 47,055,980.34

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Solution

The fourth proportional to 84,225,420.93, 116,228,939.55 and 47,055,980.34 is: 64,936,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,225,420.93 : 116,228,939.55 = 47,055,980.34 : x
  2. Step 2: Convert to fraction form
    84,225,420.93/116,228,939.55 = 47,055,980.34/x
  3. Step 3: Cross multiply
    84,225,420.93x = 116,228,939.55 × 47,055,980.34
  4. Step 4: Simplify right side
    84,225,420.93x = 5,469,266,694,403,849
  5. Step 5: Solve for x
    x = 5,469,266,694,403,849/84,225,420.93
  6. Step 6: Final answer
    x = 64,936,056.53

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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.