Home / 81,368,142.40-112,181,187.56-58,717,507.64

Finding the Fourth Proportional to 81,368,142.40, 112,181,187.56 and 58,717,507.64

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Solution

The fourth proportional to 81,368,142.40, 112,181,187.56 and 58,717,507.64 is: 80,953,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368,142.40 : 112,181,187.56 = 58,717,507.64 : x
  2. Step 2: Convert to fraction form
    81,368,142.40/112,181,187.56 = 58,717,507.64/x
  3. Step 3: Cross multiply
    81,368,142.40x = 112,181,187.56 × 58,717,507.64
  4. Step 4: Simplify right side
    81,368,142.40x = 6,586,999,737,618,573
  5. Step 5: Solve for x
    x = 6,586,999,737,618,573/81,368,142.40
  6. Step 6: Final answer
    x = 80,953,055.38

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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.