Home / 66,384,168.65-91,607,889.68-36,615,996.21

Finding the Fourth Proportional to 66,384,168.65, 91,607,889.68 and 36,615,996.21

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Solution

The fourth proportional to 66,384,168.65, 91,607,889.68 and 36,615,996.21 is: 50,528,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384,168.65 : 91,607,889.68 = 36,615,996.21 : x
  2. Step 2: Convert to fraction form
    66,384,168.65/91,607,889.68 = 36,615,996.21/x
  3. Step 3: Cross multiply
    66,384,168.65x = 91,607,889.68 × 36,615,996.21
  4. Step 4: Simplify right side
    66,384,168.65x = 3,354,314,141,328,978.50
  5. Step 5: Solve for x
    x = 3,354,314,141,328,978.50/66,384,168.65
  6. Step 6: Final answer
    x = 50,528,826.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.