Home / 78,016,435.88-117,072,485.94-34,922,077.16

Finding the Fourth Proportional to 78,016,435.88, 117,072,485.94 and 34,922,077.16

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Solution

The fourth proportional to 78,016,435.88, 117,072,485.94 and 34,922,077.16 is: 52,404,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,016,435.88 : 117,072,485.94 = 34,922,077.16 : x
  2. Step 2: Convert to fraction form
    78,016,435.88/117,072,485.94 = 34,922,077.16/x
  3. Step 3: Cross multiply
    78,016,435.88x = 117,072,485.94 × 34,922,077.16
  4. Step 4: Simplify right side
    78,016,435.88x = 4,088,414,387,309,694.50
  5. Step 5: Solve for x
    x = 4,088,414,387,309,694.50/78,016,435.88
  6. Step 6: Final answer
    x = 52,404,526.57

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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.