Home / 85,567,155.50-118,085,347.58-48,396,708.43

Finding the Fourth Proportional to 85,567,155.50, 118,085,347.58 and 48,396,708.43

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Solution

The fourth proportional to 85,567,155.50, 118,085,347.58 and 48,396,708.43 is: 66,788,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,567,155.50 : 118,085,347.58 = 48,396,708.43 : x
  2. Step 2: Convert to fraction form
    85,567,155.50/118,085,347.58 = 48,396,708.43/x
  3. Step 3: Cross multiply
    85,567,155.50x = 118,085,347.58 × 48,396,708.43
  4. Step 4: Simplify right side
    85,567,155.50x = 5,714,942,136,690,882
  5. Step 5: Solve for x
    x = 5,714,942,136,690,882/85,567,155.50
  6. Step 6: Final answer
    x = 66,788,969.47

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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.