Home / 61,783,909.40-92,690,847.12-18,650,536.04

Finding the Fourth Proportional to 61,783,909.40, 92,690,847.12 and 18,650,536.04

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Solution

The fourth proportional to 61,783,909.40, 92,690,847.12 and 18,650,536.04 is: 27,980,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783,909.40 : 92,690,847.12 = 18,650,536.04 : x
  2. Step 2: Convert to fraction form
    61,783,909.40/92,690,847.12 = 18,650,536.04/x
  3. Step 3: Cross multiply
    61,783,909.40x = 92,690,847.12 × 18,650,536.04
  4. Step 4: Simplify right side
    61,783,909.40x = 1,728,733,984,789,690.25
  5. Step 5: Solve for x
    x = 1,728,733,984,789,690.25/61,783,909.40
  6. Step 6: Final answer
    x = 27,980,326.94

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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.