Home / 68,828,769.77-103,244,249.46-38,317,281.63

Finding the Fourth Proportional to 68,828,769.77, 103,244,249.46 and 38,317,281.63

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Solution

The fourth proportional to 68,828,769.77, 103,244,249.46 and 38,317,281.63 is: 57,476,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828,769.77 : 103,244,249.46 = 38,317,281.63 : x
  2. Step 2: Convert to fraction form
    68,828,769.77/103,244,249.46 = 38,317,281.63/x
  3. Step 3: Cross multiply
    68,828,769.77x = 103,244,249.46 × 38,317,281.63
  4. Step 4: Simplify right side
    68,828,769.77x = 3,956,038,982,993,319.50
  5. Step 5: Solve for x
    x = 3,956,038,982,993,319.50/68,828,769.77
  6. Step 6: Final answer
    x = 57,476,531.93

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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.