Home / 51,383,817-70,903,150.20-28,172,836.08

Finding the Fourth Proportional to 51,383,817, 70,903,150.20 and 28,172,836.08

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Solution

The fourth proportional to 51,383,817, 70,903,150.20 and 28,172,836.08 is: 38,874,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383,817 : 70,903,150.20 = 28,172,836.08 : x
  2. Step 2: Convert to fraction form
    51,383,817/70,903,150.20 = 28,172,836.08/x
  3. Step 3: Cross multiply
    51,383,817x = 70,903,150.20 × 28,172,836.08
  4. Step 4: Simplify right side
    51,383,817x = 1,997,542,828,140,219.25
  5. Step 5: Solve for x
    x = 1,997,542,828,140,219.25/51,383,817
  6. Step 6: Final answer
    x = 38,874,940.49

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1.5x scale

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.