Home / 291,383,999.40-437,065,890.30-73,036,252.20

Finding the Fourth Proportional to 291,383,999.40, 437,065,890.30 and 73,036,252.20

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Solution

The fourth proportional to 291,383,999.40, 437,065,890.30 and 73,036,252.20 is: 109,551,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,383,999.40 : 437,065,890.30 = 73,036,252.20 : x
  2. Step 2: Convert to fraction form
    291,383,999.40/437,065,890.30 = 73,036,252.20/x
  3. Step 3: Cross multiply
    291,383,999.40x = 437,065,890.30 × 73,036,252.20
  4. Step 4: Simplify right side
    291,383,999.40x = 31,921,654,591,968,336
  5. Step 5: Solve for x
    x = 31,921,654,591,968,336/291,383,999.40
  6. Step 6: Final answer
    x = 109,551,844.50

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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.