Home / 49,910,203.20-74,854,807.20-21,157,276.80

Finding the Fourth Proportional to 49,910,203.20, 74,854,807.20 and 21,157,276.80

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Solution

The fourth proportional to 49,910,203.20, 74,854,807.20 and 21,157,276.80 is: 31,731,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910,203.20 : 74,854,807.20 = 21,157,276.80 : x
  2. Step 2: Convert to fraction form
    49,910,203.20/74,854,807.20 = 21,157,276.80/x
  3. Step 3: Cross multiply
    49,910,203.20x = 74,854,807.20 × 21,157,276.80
  4. Step 4: Simplify right side
    49,910,203.20x = 1,583,723,875,741,033
  5. Step 5: Solve for x
    x = 1,583,723,875,741,033/49,910,203.20
  6. Step 6: Final answer
    x = 31,731,465.20

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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.