Home / 57,095,782.56-78,790,068.36-30,989,738.52

Finding the Fourth Proportional to 57,095,782.56, 78,790,068.36 and 30,989,738.52

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Solution

The fourth proportional to 57,095,782.56, 78,790,068.36 and 30,989,738.52 is: 42,764,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,782.56 : 78,790,068.36 = 30,989,738.52 : x
  2. Step 2: Convert to fraction form
    57,095,782.56/78,790,068.36 = 30,989,738.52/x
  3. Step 3: Cross multiply
    57,095,782.56x = 78,790,068.36 × 30,989,738.52
  4. Step 4: Simplify right side
    57,095,782.56x = 2,441,683,616,449,325
  5. Step 5: Solve for x
    x = 2,441,683,616,449,325/57,095,782.56
  6. Step 6: Final answer
    x = 42,764,693.06

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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.