Home / 85,814,299.38-118,422,850.77-63,885,862.74

Finding the Fourth Proportional to 85,814,299.38, 118,422,850.77 and 63,885,862.74

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Solution

The fourth proportional to 85,814,299.38, 118,422,850.77 and 63,885,862.74 is: 88,161,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,814,299.38 : 118,422,850.77 = 63,885,862.74 : x
  2. Step 2: Convert to fraction form
    85,814,299.38/118,422,850.77 = 63,885,862.74/x
  3. Step 3: Cross multiply
    85,814,299.38x = 118,422,850.77 × 63,885,862.74
  4. Step 4: Simplify right side
    85,814,299.38x = 7,565,545,989,571,723
  5. Step 5: Solve for x
    x = 7,565,545,989,571,723/85,814,299.38
  6. Step 6: Final answer
    x = 88,161,833.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.