Home / 68,828,828.16-103,244,337-38,317,339.92

Finding the Fourth Proportional to 68,828,828.16, 103,244,337 and 38,317,339.92

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Solution

The fourth proportional to 68,828,828.16, 103,244,337 and 38,317,339.92 is: 57,476,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828,828.16 : 103,244,337 = 38,317,339.92 : x
  2. Step 2: Convert to fraction form
    68,828,828.16/103,244,337 = 38,317,339.92/x
  3. Step 3: Cross multiply
    68,828,828.16x = 103,244,337 × 38,317,339.92
  4. Step 4: Simplify right side
    68,828,828.16x = 3,956,048,355,644,033
  5. Step 5: Solve for x
    x = 3,956,048,355,644,033/68,828,828.16
  6. Step 6: Final answer
    x = 57,476,619.34

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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.