Home / 61,245,787.65-91,886,617.46-18,116,139.56

Finding the Fourth Proportional to 61,245,787.65, 91,886,617.46 and 18,116,139.56

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Solution

The fourth proportional to 61,245,787.65, 91,886,617.46 and 18,116,139.56 is: 27,179,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,787.65 : 91,886,617.46 = 18,116,139.56 : x
  2. Step 2: Convert to fraction form
    61,245,787.65/91,886,617.46 = 18,116,139.56/x
  3. Step 3: Cross multiply
    61,245,787.65x = 91,886,617.46 × 18,116,139.56
  4. Step 4: Simplify right side
    61,245,787.65x = 1,664,630,785,051,678.75
  5. Step 5: Solve for x
    x = 1,664,630,785,051,678.75/61,245,787.65
  6. Step 6: Final answer
    x = 27,179,514.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.