Home / 109,290,819.45-163,936,933.83-43,717,435.32

Finding the Fourth Proportional to 109,290,819.45, 163,936,933.83 and 43,717,435.32

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Solution

The fourth proportional to 109,290,819.45, 163,936,933.83 and 43,717,435.32 is: 65,576,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,819.45 : 163,936,933.83 = 43,717,435.32 : x
  2. Step 2: Convert to fraction form
    109,290,819.45/163,936,933.83 = 43,717,435.32/x
  3. Step 3: Cross multiply
    109,290,819.45x = 163,936,933.83 × 43,717,435.32
  4. Step 4: Simplify right side
    109,290,819.45x = 7,166,902,301,272,145
  5. Step 5: Solve for x
    x = 7,166,902,301,272,145/109,290,819.45
  6. Step 6: Final answer
    x = 65,576,434.85

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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.