Home / 54,458,340-75,152,509.92-30,012,053.76

Finding the Fourth Proportional to 54,458,340, 75,152,509.92 and 30,012,053.76

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Solution

The fourth proportional to 54,458,340, 75,152,509.92 and 30,012,053.76 is: 41,416,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,340 : 75,152,509.92 = 30,012,053.76 : x
  2. Step 2: Convert to fraction form
    54,458,340/75,152,509.92 = 30,012,053.76/x
  3. Step 3: Cross multiply
    54,458,340x = 75,152,509.92 × 30,012,053.76
  4. Step 4: Simplify right side
    54,458,340x = 2,255,481,167,917,973.50
  5. Step 5: Solve for x
    x = 2,255,481,167,917,973.50/54,458,340
  6. Step 6: Final answer
    x = 41,416,634.59

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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.