Home / 320,787,043.06-442,674,278.13-174,106,177.78

Finding the Fourth Proportional to 320,787,043.06, 442,674,278.13 and 174,106,177.78

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Solution

The fourth proportional to 320,787,043.06, 442,674,278.13 and 174,106,177.78 is: 240,260,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,787,043.06 : 442,674,278.13 = 174,106,177.78 : x
  2. Step 2: Convert to fraction form
    320,787,043.06/442,674,278.13 = 174,106,177.78/x
  3. Step 3: Cross multiply
    320,787,043.06x = 442,674,278.13 × 174,106,177.78
  4. Step 4: Simplify right side
    320,787,043.06x = 77,072,326,566,734,944
  5. Step 5: Solve for x
    x = 77,072,326,566,734,944/320,787,043.06
  6. Step 6: Final answer
    x = 240,260,098.51

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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.