Home / 54,947,122.88-75,829,162.10-30,168,354.15

Finding the Fourth Proportional to 54,947,122.88, 75,829,162.10 and 30,168,354.15

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Solution

The fourth proportional to 54,947,122.88, 75,829,162.10 and 30,168,354.15 is: 41,633,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947,122.88 : 75,829,162.10 = 30,168,354.15 : x
  2. Step 2: Convert to fraction form
    54,947,122.88/75,829,162.10 = 30,168,354.15/x
  3. Step 3: Cross multiply
    54,947,122.88x = 75,829,162.10 × 30,168,354.15
  4. Step 4: Simplify right side
    54,947,122.88x = 2,287,641,016,979,716
  5. Step 5: Solve for x
    x = 2,287,641,016,979,716/54,947,122.88
  6. Step 6: Final answer
    x = 41,633,499.58

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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.