Home / 66,136,763.78-99,235,260.66-33,772,006.88

Finding the Fourth Proportional to 66,136,763.78, 99,235,260.66 and 33,772,006.88

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Solution

The fourth proportional to 66,136,763.78, 99,235,260.66 and 33,772,006.88 is: 50,673,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136,763.78 : 99,235,260.66 = 33,772,006.88 : x
  2. Step 2: Convert to fraction form
    66,136,763.78/99,235,260.66 = 33,772,006.88/x
  3. Step 3: Cross multiply
    66,136,763.78x = 99,235,260.66 × 33,772,006.88
  4. Step 4: Simplify right side
    66,136,763.78x = 3,351,373,905,251,937
  5. Step 5: Solve for x
    x = 3,351,373,905,251,937/66,136,763.78
  6. Step 6: Final answer
    x = 50,673,388.20

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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.