Home / 49,290,223.80-67,997,878.74-31,892,240.28

Finding the Fourth Proportional to 49,290,223.80, 67,997,878.74 and 31,892,240.28

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Solution

The fourth proportional to 49,290,223.80, 67,997,878.74 and 31,892,240.28 is: 43,996,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290,223.80 : 67,997,878.74 = 31,892,240.28 : x
  2. Step 2: Convert to fraction form
    49,290,223.80/67,997,878.74 = 31,892,240.28/x
  3. Step 3: Cross multiply
    49,290,223.80x = 67,997,878.74 × 31,892,240.28
  4. Step 4: Simplify right side
    49,290,223.80x = 2,168,604,687,306,383.50
  5. Step 5: Solve for x
    x = 2,168,604,687,306,383.50/49,290,223.80
  6. Step 6: Final answer
    x = 43,996,649.24

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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.