Home / 54,313,602.89-74,934,429.40-30,789,617.63

Finding the Fourth Proportional to 54,313,602.89, 74,934,429.40 and 30,789,617.63

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Solution

The fourth proportional to 54,313,602.89, 74,934,429.40 and 30,789,617.63 is: 42,479,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313,602.89 : 74,934,429.40 = 30,789,617.63 : x
  2. Step 2: Convert to fraction form
    54,313,602.89/74,934,429.40 = 30,789,617.63/x
  3. Step 3: Cross multiply
    54,313,602.89x = 74,934,429.40 × 30,789,617.63
  4. Step 4: Simplify right side
    54,313,602.89x = 2,307,202,428,548,230.50
  5. Step 5: Solve for x
    x = 2,307,202,428,548,230.50/54,313,602.89
  6. Step 6: Final answer
    x = 42,479,274.17

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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.