Home / 48,166,037.12-66,451,971.84-28,571,916.80

Finding the Fourth Proportional to 48,166,037.12, 66,451,971.84 and 28,571,916.80

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Solution

The fourth proportional to 48,166,037.12, 66,451,971.84 and 28,571,916.80 is: 39,419,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,166,037.12 : 66,451,971.84 = 28,571,916.80 : x
  2. Step 2: Convert to fraction form
    48,166,037.12/66,451,971.84 = 28,571,916.80/x
  3. Step 3: Cross multiply
    48,166,037.12x = 66,451,971.84 × 28,571,916.80
  4. Step 4: Simplify right side
    48,166,037.12x = 1,898,660,210,608,423
  5. Step 5: Solve for x
    x = 1,898,660,210,608,423/48,166,037.12
  6. Step 6: Final answer
    x = 39,419,066.30

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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.