Home / 77,678,096.46-116,532,494.01-28,494,406.14

Finding the Fourth Proportional to 77,678,096.46, 116,532,494.01 and 28,494,406.14

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Solution

The fourth proportional to 77,678,096.46, 116,532,494.01 and 28,494,406.14 is: 42,747,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,678,096.46 : 116,532,494.01 = 28,494,406.14 : x
  2. Step 2: Convert to fraction form
    77,678,096.46/116,532,494.01 = 28,494,406.14/x
  3. Step 3: Cross multiply
    77,678,096.46x = 116,532,494.01 × 28,494,406.14
  4. Step 4: Simplify right side
    77,678,096.46x = 3,320,524,212,828,057.50
  5. Step 5: Solve for x
    x = 3,320,524,212,828,057.50/77,678,096.46
  6. Step 6: Final answer
    x = 42,747,239.75

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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.