Home / 31,174,891.20-46,762,336.80-30,643,450.20

Finding the Fourth Proportional to 31,174,891.20, 46,762,336.80 and 30,643,450.20

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Solution

The fourth proportional to 31,174,891.20, 46,762,336.80 and 30,643,450.20 is: 45,965,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174,891.20 : 46,762,336.80 = 30,643,450.20 : x
  2. Step 2: Convert to fraction form
    31,174,891.20/46,762,336.80 = 30,643,450.20/x
  3. Step 3: Cross multiply
    31,174,891.20x = 46,762,336.80 × 30,643,450.20
  4. Step 4: Simplify right side
    31,174,891.20x = 1,432,959,338,966,427.25
  5. Step 5: Solve for x
    x = 1,432,959,338,966,427.25/31,174,891.20
  6. Step 6: Final answer
    x = 45,965,175.30

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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.