Home / 140,540,321.80-210,503,457.04-58,410,190.36

Finding the Fourth Proportional to 140,540,321.80, 210,503,457.04 and 58,410,190.36

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Solution

The fourth proportional to 140,540,321.80, 210,503,457.04 and 58,410,190.36 is: 87,487,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,540,321.80 : 210,503,457.04 = 58,410,190.36 : x
  2. Step 2: Convert to fraction form
    140,540,321.80/210,503,457.04 = 58,410,190.36/x
  3. Step 3: Cross multiply
    140,540,321.80x = 210,503,457.04 × 58,410,190.36
  4. Step 4: Simplify right side
    140,540,321.80x = 12,295,546,997,144,482
  5. Step 5: Solve for x
    x = 12,295,546,997,144,482/140,540,321.80
  6. Step 6: Final answer
    x = 87,487,682.11

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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.