Home / 140,441,579.25-210,745,592.08-78,244,952.71

Finding the Fourth Proportional to 140,441,579.25, 210,745,592.08 and 78,244,952.71

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Solution

The fourth proportional to 140,441,579.25, 210,745,592.08 and 78,244,952.71 is: 117,413,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,579.25 : 210,745,592.08 = 78,244,952.71 : x
  2. Step 2: Convert to fraction form
    140,441,579.25/210,745,592.08 = 78,244,952.71/x
  3. Step 3: Cross multiply
    140,441,579.25x = 210,745,592.08 × 78,244,952.71
  4. Step 4: Simplify right side
    140,441,579.25x = 16,489,778,886,622,814
  5. Step 5: Solve for x
    x = 16,489,778,886,622,814/140,441,579.25
  6. Step 6: Final answer
    x = 117,413,795.65

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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.