Home / 56,150,280.62-77,485,959.70-31,370,653.56

Finding the Fourth Proportional to 56,150,280.62, 77,485,959.70 and 31,370,653.56

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Solution

The fourth proportional to 56,150,280.62, 77,485,959.70 and 31,370,653.56 is: 43,290,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,150,280.62 : 77,485,959.70 = 31,370,653.56 : x
  2. Step 2: Convert to fraction form
    56,150,280.62/77,485,959.70 = 31,370,653.56/x
  3. Step 3: Cross multiply
    56,150,280.62x = 77,485,959.70 × 31,370,653.56
  4. Step 4: Simplify right side
    56,150,280.62x = 2,430,785,197,512,821.50
  5. Step 5: Solve for x
    x = 2,430,785,197,512,821.50/56,150,280.62
  6. Step 6: Final answer
    x = 43,290,704.35

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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.