Home / 54,445,409.40-75,139,959.78-40,670,458.68

Finding the Fourth Proportional to 54,445,409.40, 75,139,959.78 and 40,670,458.68

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Solution

The fourth proportional to 54,445,409.40, 75,139,959.78 and 40,670,458.68 is: 56,129,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,409.40 : 75,139,959.78 = 40,670,458.68 : x
  2. Step 2: Convert to fraction form
    54,445,409.40/75,139,959.78 = 40,670,458.68/x
  3. Step 3: Cross multiply
    54,445,409.40x = 75,139,959.78 × 40,670,458.68
  4. Step 4: Simplify right side
    54,445,409.40x = 3,055,976,629,449,352
  5. Step 5: Solve for x
    x = 3,055,976,629,449,352/54,445,409.40
  6. Step 6: Final answer
    x = 56,129,188.17

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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.