Home / 159,936,522.76-239,993,308.50-78,056,079.34

Finding the Fourth Proportional to 159,936,522.76, 239,993,308.50 and 78,056,079.34

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Solution

The fourth proportional to 159,936,522.76, 239,993,308.50 and 78,056,079.34 is: 117,127,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,522.76 : 239,993,308.50 = 78,056,079.34 : x
  2. Step 2: Convert to fraction form
    159,936,522.76/239,993,308.50 = 78,056,079.34/x
  3. Step 3: Cross multiply
    159,936,522.76x = 239,993,308.50 × 78,056,079.34
  4. Step 4: Simplify right side
    159,936,522.76x = 18,732,936,729,345,096
  5. Step 5: Solve for x
    x = 18,732,936,729,345,096/159,936,522.76
  6. Step 6: Final answer
    x = 117,127,322.80

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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.