Home / 140,441,579.75-210,745,592.84-78,244,953.21

Finding the Fourth Proportional to 140,441,579.75, 210,745,592.84 and 78,244,953.21

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Solution

The fourth proportional to 140,441,579.75, 210,745,592.84 and 78,244,953.21 is: 117,413,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,579.75 : 210,745,592.84 = 78,244,953.21 : x
  2. Step 2: Convert to fraction form
    140,441,579.75/210,745,592.84 = 78,244,953.21/x
  3. Step 3: Cross multiply
    140,441,579.75x = 210,745,592.84 × 78,244,953.21
  4. Step 4: Simplify right side
    140,441,579.75x = 16,489,779,050,588,286
  5. Step 5: Solve for x
    x = 16,489,779,050,588,286/140,441,579.75
  6. Step 6: Final answer
    x = 117,413,796.40

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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.