Home / 76,403,218.80-114,352,885.80-53,728,402.80

Finding the Fourth Proportional to 76,403,218.80, 114,352,885.80 and 53,728,402.80

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Solution

The fourth proportional to 76,403,218.80, 114,352,885.80 and 53,728,402.80 is: 80,415,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403,218.80 : 114,352,885.80 = 53,728,402.80 : x
  2. Step 2: Convert to fraction form
    76,403,218.80/114,352,885.80 = 53,728,402.80/x
  3. Step 3: Cross multiply
    76,403,218.80x = 114,352,885.80 × 53,728,402.80
  4. Step 4: Simplify right side
    76,403,218.80x = 6,143,997,909,604,800
  5. Step 5: Solve for x
    x = 6,143,997,909,604,800/76,403,218.80
  6. Step 6: Final answer
    x = 80,415,432.83

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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.