Home / 291,504,972.40-437,262,124.20-76,094,220.40

Finding the Fourth Proportional to 291,504,972.40, 437,262,124.20 and 76,094,220.40

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Solution

The fourth proportional to 291,504,972.40, 437,262,124.20 and 76,094,220.40 is: 114,142,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,504,972.40 : 437,262,124.20 = 76,094,220.40 : x
  2. Step 2: Convert to fraction form
    291,504,972.40/437,262,124.20 = 76,094,220.40/x
  3. Step 3: Cross multiply
    291,504,972.40x = 437,262,124.20 × 76,094,220.40
  4. Step 4: Simplify right side
    291,504,972.40x = 33,273,120,451,446,976
  5. Step 5: Solve for x
    x = 33,273,120,451,446,976/291,504,972.40
  6. Step 6: Final answer
    x = 114,142,548.50

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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.