Home / 201,147,187.60-301,720,781.40-99,110,515.60

Finding the Fourth Proportional to 201,147,187.60, 301,720,781.40 and 99,110,515.60

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Solution

The fourth proportional to 201,147,187.60, 301,720,781.40 and 99,110,515.60 is: 148,665,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,147,187.60 : 301,720,781.40 = 99,110,515.60 : x
  2. Step 2: Convert to fraction form
    201,147,187.60/301,720,781.40 = 99,110,515.60/x
  3. Step 3: Cross multiply
    201,147,187.60x = 301,720,781.40 × 99,110,515.60
  4. Step 4: Simplify right side
    201,147,187.60x = 29,903,702,211,788,884
  5. Step 5: Solve for x
    x = 29,903,702,211,788,884/201,147,187.60
  6. Step 6: Final answer
    x = 148,665,773.40

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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.