Home / 53,639,998.20-80,459,997.30-19,562,455.80

Finding the Fourth Proportional to 53,639,998.20, 80,459,997.30 and 19,562,455.80

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Solution

The fourth proportional to 53,639,998.20, 80,459,997.30 and 19,562,455.80 is: 29,343,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639,998.20 : 80,459,997.30 = 19,562,455.80 : x
  2. Step 2: Convert to fraction form
    53,639,998.20/80,459,997.30 = 19,562,455.80/x
  3. Step 3: Cross multiply
    53,639,998.20x = 80,459,997.30 × 19,562,455.80
  4. Step 4: Simplify right side
    53,639,998.20x = 1,573,995,140,849,369.25
  5. Step 5: Solve for x
    x = 1,573,995,140,849,369.25/53,639,998.20
  6. Step 6: Final answer
    x = 29,343,683.70

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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.