Home / 48,959,309.40-73,457,043.30-20,207,938.20

Finding the Fourth Proportional to 48,959,309.40, 73,457,043.30 and 20,207,938.20

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Solution

The fourth proportional to 48,959,309.40, 73,457,043.30 and 20,207,938.20 is: 30,319,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,959,309.40 : 73,457,043.30 = 20,207,938.20 : x
  2. Step 2: Convert to fraction form
    48,959,309.40/73,457,043.30 = 20,207,938.20/x
  3. Step 3: Cross multiply
    48,959,309.40x = 73,457,043.30 × 20,207,938.20
  4. Step 4: Simplify right side
    48,959,309.40x = 1,484,415,391,361,124
  5. Step 5: Solve for x
    x = 1,484,415,391,361,124/48,959,309.40
  6. Step 6: Final answer
    x = 30,319,369.48

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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.