Home / 100,631,272.30-150,946,908.45-76,444,801.90

Finding the Fourth Proportional to 100,631,272.30, 150,946,908.45 and 76,444,801.90

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Solution

The fourth proportional to 100,631,272.30, 150,946,908.45 and 76,444,801.90 is: 114,667,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,631,272.30 : 150,946,908.45 = 76,444,801.90 : x
  2. Step 2: Convert to fraction form
    100,631,272.30/150,946,908.45 = 76,444,801.90/x
  3. Step 3: Cross multiply
    100,631,272.30x = 150,946,908.45 × 76,444,801.90
  4. Step 4: Simplify right side
    100,631,272.30x = 11,539,106,513,877,686
  5. Step 5: Solve for x
    x = 11,539,106,513,877,686/100,631,272.30
  6. Step 6: Final answer
    x = 114,667,202.85

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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.