Home / 54,161,820.59-74,743,311.69-30,957,445.89

Finding the Fourth Proportional to 54,161,820.59, 74,743,311.69 and 30,957,445.89

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Solution

The fourth proportional to 54,161,820.59, 74,743,311.69 and 30,957,445.89 is: 42,721,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,820.59 : 74,743,311.69 = 30,957,445.89 : x
  2. Step 2: Convert to fraction form
    54,161,820.59/74,743,311.69 = 30,957,445.89/x
  3. Step 3: Cross multiply
    54,161,820.59x = 74,743,311.69 × 30,957,445.89
  4. Step 4: Simplify right side
    54,161,820.59x = 2,313,862,027,282,579.50
  5. Step 5: Solve for x
    x = 2,313,862,027,282,579.50/54,161,820.59
  6. Step 6: Final answer
    x = 42,721,274.92

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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.