Home / 133,066,013.60-199,599,020.40-87,149,511.20

Finding the Fourth Proportional to 133,066,013.60, 199,599,020.40 and 87,149,511.20

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Solution

The fourth proportional to 133,066,013.60, 199,599,020.40 and 87,149,511.20 is: 130,724,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066,013.60 : 199,599,020.40 = 87,149,511.20 : x
  2. Step 2: Convert to fraction form
    133,066,013.60/199,599,020.40 = 87,149,511.20/x
  3. Step 3: Cross multiply
    133,066,013.60x = 199,599,020.40 × 87,149,511.20
  4. Step 4: Simplify right side
    133,066,013.60x = 17,394,957,063,858,830
  5. Step 5: Solve for x
    x = 17,394,957,063,858,830/133,066,013.60
  6. Step 6: Final answer
    x = 130,724,266.80

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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.