Home / 68,135,471.40-94,027,332.48-38,766,803.28

Finding the Fourth Proportional to 68,135,471.40, 94,027,332.48 and 38,766,803.28

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Solution

The fourth proportional to 68,135,471.40, 94,027,332.48 and 38,766,803.28 is: 53,498,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135,471.40 : 94,027,332.48 = 38,766,803.28 : x
  2. Step 2: Convert to fraction form
    68,135,471.40/94,027,332.48 = 38,766,803.28/x
  3. Step 3: Cross multiply
    68,135,471.40x = 94,027,332.48 × 38,766,803.28
  4. Step 4: Simplify right side
    68,135,471.40x = 3,645,139,101,195,315
  5. Step 5: Solve for x
    x = 3,645,139,101,195,315/68,135,471.40
  6. Step 6: Final answer
    x = 53,498,405.84

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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.