Home / 55,274,245.57-76,278,032.85-30,495,476.76

Finding the Fourth Proportional to 55,274,245.57, 76,278,032.85 and 30,495,476.76

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Solution

The fourth proportional to 55,274,245.57, 76,278,032.85 and 30,495,476.76 is: 42,083,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,245.57 : 76,278,032.85 = 30,495,476.76 : x
  2. Step 2: Convert to fraction form
    55,274,245.57/76,278,032.85 = 30,495,476.76/x
  3. Step 3: Cross multiply
    55,274,245.57x = 76,278,032.85 × 30,495,476.76
  4. Step 4: Simplify right side
    55,274,245.57x = 2,326,134,978,075,691.50
  5. Step 5: Solve for x
    x = 2,326,134,978,075,691.50/55,274,245.57
  6. Step 6: Final answer
    x = 42,083,522.88

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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.