Home / 261,099,208,967.28-391,728,742,838.28-133,704,101,245.20

Finding the Fourth Proportional to 261,099,208,967.28, 391,728,742,838.28 and 133,704,101,245.20

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Solution

The fourth proportional to 261,099,208,967.28, 391,728,742,838.28 and 133,704,101,245.20 is: 200,597,082,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,099,208,967.28 : 391,728,742,838.28 = 133,704,101,245.20 : x
  2. Step 2: Convert to fraction form
    261,099,208,967.28/391,728,742,838.28 = 133,704,101,245.20/x
  3. Step 3: Cross multiply
    261,099,208,967.28x = 391,728,742,838.28 × 133,704,101,245.20
  4. Step 4: Simplify right side
    261,099,208,967.28x = 52,375,739,493,104,306,094,080
  5. Step 5: Solve for x
    x = 52,375,739,493,104,306,094,080/261,099,208,967.28
  6. Step 6: Final answer
    x = 200,597,082,236.54

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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.