Home / 103,250,440.54-142,481,243.02-56,206,536

Finding the Fourth Proportional to 103,250,440.54, 142,481,243.02 and 56,206,536

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Solution

The fourth proportional to 103,250,440.54, 142,481,243.02 and 56,206,536 is: 77,562,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250,440.54 : 142,481,243.02 = 56,206,536 : x
  2. Step 2: Convert to fraction form
    103,250,440.54/142,481,243.02 = 56,206,536/x
  3. Step 3: Cross multiply
    103,250,440.54x = 142,481,243.02 × 56,206,536
  4. Step 4: Simplify right side
    103,250,440.54x = 8,008,377,115,128,379
  5. Step 5: Solve for x
    x = 8,008,377,115,128,379/103,250,440.54
  6. Step 6: Final answer
    x = 77,562,643.54

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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.