Home / 101,261,278.79-139,741,235.67-54,851,532.71

Finding the Fourth Proportional to 101,261,278.79, 139,741,235.67 and 54,851,532.71

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Solution

The fourth proportional to 101,261,278.79, 139,741,235.67 and 54,851,532.71 is: 75,695,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,278.79 : 139,741,235.67 = 54,851,532.71 : x
  2. Step 2: Convert to fraction form
    101,261,278.79/139,741,235.67 = 54,851,532.71/x
  3. Step 3: Cross multiply
    101,261,278.79x = 139,741,235.67 × 54,851,532.71
  4. Step 4: Simplify right side
    101,261,278.79x = 7,665,020,959,425,954
  5. Step 5: Solve for x
    x = 7,665,020,959,425,954/101,261,278.79
  6. Step 6: Final answer
    x = 75,695,478.58

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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.