Home / 140,912,007.20-211,368,010.80-122,996,103.20

Finding the Fourth Proportional to 140,912,007.20, 211,368,010.80 and 122,996,103.20

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Solution

The fourth proportional to 140,912,007.20, 211,368,010.80 and 122,996,103.20 is: 184,494,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,912,007.20 : 211,368,010.80 = 122,996,103.20 : x
  2. Step 2: Convert to fraction form
    140,912,007.20/211,368,010.80 = 122,996,103.20/x
  3. Step 3: Cross multiply
    140,912,007.20x = 211,368,010.80 × 122,996,103.20
  4. Step 4: Simplify right side
    140,912,007.20x = 25,997,441,669,535,516
  5. Step 5: Solve for x
    x = 25,997,441,669,535,516/140,912,007.20
  6. Step 6: Final answer
    x = 184,494,154.80

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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.