Home / 100,686,227.06-138,945,597.95-56,633,255.73

Finding the Fourth Proportional to 100,686,227.06, 138,945,597.95 and 56,633,255.73

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Solution

The fourth proportional to 100,686,227.06, 138,945,597.95 and 56,633,255.73 is: 78,153,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,686,227.06 : 138,945,597.95 = 56,633,255.73 : x
  2. Step 2: Convert to fraction form
    100,686,227.06/138,945,597.95 = 56,633,255.73/x
  3. Step 3: Cross multiply
    100,686,227.06x = 138,945,597.95 × 56,633,255.73
  4. Step 4: Simplify right side
    100,686,227.06x = 7,868,941,581,401,696
  5. Step 5: Solve for x
    x = 7,868,941,581,401,696/100,686,227.06
  6. Step 6: Final answer
    x = 78,153,108.04

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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.