Home / 57,195,507.25-78,929,850.86-31,090,025.08

Finding the Fourth Proportional to 57,195,507.25, 78,929,850.86 and 31,090,025.08

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Solution

The fourth proportional to 57,195,507.25, 78,929,850.86 and 31,090,025.08 is: 42,904,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195,507.25 : 78,929,850.86 = 31,090,025.08 : x
  2. Step 2: Convert to fraction form
    57,195,507.25/78,929,850.86 = 31,090,025.08/x
  3. Step 3: Cross multiply
    57,195,507.25x = 78,929,850.86 × 31,090,025.08
  4. Step 4: Simplify right side
    57,195,507.25x = 2,453,931,042,863,825
  5. Step 5: Solve for x
    x = 2,453,931,042,863,825/57,195,507.25
  6. Step 6: Final answer
    x = 42,904,262.26

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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.