Home / 84,071,965.59-115,916,237.84-69,135,090.48

Finding the Fourth Proportional to 84,071,965.59, 115,916,237.84 and 69,135,090.48

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Solution

The fourth proportional to 84,071,965.59, 115,916,237.84 and 69,135,090.48 is: 95,321,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071,965.59 : 115,916,237.84 = 69,135,090.48 : x
  2. Step 2: Convert to fraction form
    84,071,965.59/115,916,237.84 = 69,135,090.48/x
  3. Step 3: Cross multiply
    84,071,965.59x = 115,916,237.84 × 69,135,090.48
  4. Step 4: Simplify right side
    84,071,965.59x = 8,013,879,591,169,600
  5. Step 5: Solve for x
    x = 8,013,879,591,169,600/84,071,965.59
  6. Step 6: Final answer
    x = 95,321,663.23

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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.