Home / 90,898,669.80-125,442,880.80-49,647,508.20

Finding the Fourth Proportional to 90,898,669.80, 125,442,880.80 and 49,647,508.20

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Solution

The fourth proportional to 90,898,669.80, 125,442,880.80 and 49,647,508.20 is: 68,515,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,898,669.80 : 125,442,880.80 = 49,647,508.20 : x
  2. Step 2: Convert to fraction form
    90,898,669.80/125,442,880.80 = 49,647,508.20/x
  3. Step 3: Cross multiply
    90,898,669.80x = 125,442,880.80 × 49,647,508.20
  4. Step 4: Simplify right side
    90,898,669.80x = 6,227,926,453,149,623
  5. Step 5: Solve for x
    x = 6,227,926,453,149,623/90,898,669.80
  6. Step 6: Final answer
    x = 68,515,045.01

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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.