Home / 57,758,918.40-86,661,705.60-25,416,979.20

Finding the Fourth Proportional to 57,758,918.40, 86,661,705.60 and 25,416,979.20

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Solution

The fourth proportional to 57,758,918.40, 86,661,705.60 and 25,416,979.20 is: 38,135,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,758,918.40 : 86,661,705.60 = 25,416,979.20 : x
  2. Step 2: Convert to fraction form
    57,758,918.40/86,661,705.60 = 25,416,979.20/x
  3. Step 3: Cross multiply
    57,758,918.40x = 86,661,705.60 × 25,416,979.20
  4. Step 4: Simplify right side
    57,758,918.40x = 2,202,678,768,671,723.25
  5. Step 5: Solve for x
    x = 2,202,678,768,671,723.25/57,758,918.40
  6. Step 6: Final answer
    x = 38,135,734.35

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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.