Home / 210,353,562.40-315,530,343.60-132,869,464.60

Finding the Fourth Proportional to 210,353,562.40, 315,530,343.60 and 132,869,464.60

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Solution

The fourth proportional to 210,353,562.40, 315,530,343.60 and 132,869,464.60 is: 199,304,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,353,562.40 : 315,530,343.60 = 132,869,464.60 : x
  2. Step 2: Convert to fraction form
    210,353,562.40/315,530,343.60 = 132,869,464.60/x
  3. Step 3: Cross multiply
    210,353,562.40x = 315,530,343.60 × 132,869,464.60
  4. Step 4: Simplify right side
    210,353,562.40x = 41,924,347,819,186,040
  5. Step 5: Solve for x
    x = 41,924,347,819,186,040/210,353,562.40
  6. Step 6: Final answer
    x = 199,304,196.90

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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.