Home / 105,204,773.78-145,187,071.89-58,795,027.28

Finding the Fourth Proportional to 105,204,773.78, 145,187,071.89 and 58,795,027.28

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Solution

The fourth proportional to 105,204,773.78, 145,187,071.89 and 58,795,027.28 is: 81,139,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204,773.78 : 145,187,071.89 = 58,795,027.28 : x
  2. Step 2: Convert to fraction form
    105,204,773.78/145,187,071.89 = 58,795,027.28/x
  3. Step 3: Cross multiply
    105,204,773.78x = 145,187,071.89 × 58,795,027.28
  4. Step 4: Simplify right side
    105,204,773.78x = 8,536,277,852,475,870
  5. Step 5: Solve for x
    x = 8,536,277,852,475,870/105,204,773.78
  6. Step 6: Final answer
    x = 81,139,643.63

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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.