Home / 87,202,902,327.54-130,804,353,343.67-20,953,998,708.54

Finding the Fourth Proportional to 87,202,902,327.54, 130,804,353,343.67 and 20,953,998,708.54

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Solution

The fourth proportional to 87,202,902,327.54, 130,804,353,343.67 and 20,953,998,708.54 is: 31,430,998,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202,902,327.54 : 130,804,353,343.67 = 20,953,998,708.54 : x
  2. Step 2: Convert to fraction form
    87,202,902,327.54/130,804,353,343.67 = 20,953,998,708.54/x
  3. Step 3: Cross multiply
    87,202,902,327.54x = 130,804,353,343.67 × 20,953,998,708.54
  4. Step 4: Simplify right side
    87,202,902,327.54x = 2,740,874,251,034,671,185,920
  5. Step 5: Solve for x
    x = 2,740,874,251,034,671,185,920/87,202,902,327.54
  6. Step 6: Final answer
    x = 31,430,998,027.33

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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.