Home / 57,095,134.92-78,789,175.28-30,989,096.36

Finding the Fourth Proportional to 57,095,134.92, 78,789,175.28 and 30,989,096.36

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Solution

The fourth proportional to 57,095,134.92, 78,789,175.28 and 30,989,096.36 is: 42,763,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,134.92 : 78,789,175.28 = 30,989,096.36 : x
  2. Step 2: Convert to fraction form
    57,095,134.92/78,789,175.28 = 30,989,096.36/x
  3. Step 3: Cross multiply
    57,095,134.92x = 78,789,175.28 × 30,989,096.36
  4. Step 4: Simplify right side
    57,095,134.92x = 2,441,605,344,876,850
  5. Step 5: Solve for x
    x = 2,441,605,344,876,850/57,095,134.92
  6. Step 6: Final answer
    x = 42,763,807.25

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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.