Home / 290,016,002.40-435,024,003.60-161,021,493.60

Finding the Fourth Proportional to 290,016,002.40, 435,024,003.60 and 161,021,493.60

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Solution

The fourth proportional to 290,016,002.40, 435,024,003.60 and 161,021,493.60 is: 241,532,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,016,002.40 : 435,024,003.60 = 161,021,493.60 : x
  2. Step 2: Convert to fraction form
    290,016,002.40/435,024,003.60 = 161,021,493.60/x
  3. Step 3: Cross multiply
    290,016,002.40x = 435,024,003.60 × 161,021,493.60
  4. Step 4: Simplify right side
    290,016,002.40x = 70,048,214,811,523,776
  5. Step 5: Solve for x
    x = 70,048,214,811,523,776/290,016,002.40
  6. Step 6: Final answer
    x = 241,532,240.40

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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.