Home / 55,274,242.81-76,278,029.07-30,495,474.02

Finding the Fourth Proportional to 55,274,242.81, 76,278,029.07 and 30,495,474.02

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Solution

The fourth proportional to 55,274,242.81, 76,278,029.07 and 30,495,474.02 is: 42,083,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,242.81 : 76,278,029.07 = 30,495,474.02 : x
  2. Step 2: Convert to fraction form
    55,274,242.81/76,278,029.07 = 30,495,474.02/x
  3. Step 3: Cross multiply
    55,274,242.81x = 76,278,029.07 × 30,495,474.02
  4. Step 4: Simplify right side
    55,274,242.81x = 2,326,134,653,800,989.50
  5. Step 5: Solve for x
    x = 2,326,134,653,800,989.50/55,274,242.81
  6. Step 6: Final answer
    x = 42,083,519.12

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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.