Home / 107,345,593.60-161,018,390.40-90,339,481.60

Finding the Fourth Proportional to 107,345,593.60, 161,018,390.40 and 90,339,481.60

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Solution

The fourth proportional to 107,345,593.60, 161,018,390.40 and 90,339,481.60 is: 135,509,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,345,593.60 : 161,018,390.40 = 90,339,481.60 : x
  2. Step 2: Convert to fraction form
    107,345,593.60/161,018,390.40 = 90,339,481.60/x
  3. Step 3: Cross multiply
    107,345,593.60x = 161,018,390.40 × 90,339,481.60
  4. Step 4: Simplify right side
    107,345,593.60x = 14,546,317,916,802,416
  5. Step 5: Solve for x
    x = 14,546,317,916,802,416/107,345,593.60
  6. Step 6: Final answer
    x = 135,509,222.40

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1.5x scale

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.