Home / 103,076,761.79-142,246,022.25-56,667,805.31

Finding the Fourth Proportional to 103,076,761.79, 142,246,022.25 and 56,667,805.31

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Solution

The fourth proportional to 103,076,761.79, 142,246,022.25 and 56,667,805.31 is: 78,201,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076,761.79 : 142,246,022.25 = 56,667,805.31 : x
  2. Step 2: Convert to fraction form
    103,076,761.79/142,246,022.25 = 56,667,805.31/x
  3. Step 3: Cross multiply
    103,076,761.79x = 142,246,022.25 × 56,667,805.31
  4. Step 4: Simplify right side
    103,076,761.79x = 8,060,769,894,273,698
  5. Step 5: Solve for x
    x = 8,060,769,894,273,698/103,076,761.79
  6. Step 6: Final answer
    x = 78,201,621.34

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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.