Home / 87,202,902,397.89-130,804,353,449.01-20,953,998,778.89

Finding the Fourth Proportional to 87,202,902,397.89, 130,804,353,449.01 and 20,953,998,778.89

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Solution

The fourth proportional to 87,202,902,397.89, 130,804,353,449.01 and 20,953,998,778.89 is: 31,430,998,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202,902,397.89 : 130,804,353,449.01 = 20,953,998,778.89 : x
  2. Step 2: Convert to fraction form
    87,202,902,397.89/130,804,353,449.01 = 20,953,998,778.89/x
  3. Step 3: Cross multiply
    87,202,902,397.89x = 130,804,353,449.01 × 20,953,998,778.89
  4. Step 4: Simplify right side
    87,202,902,397.89x = 2,740,874,262,444,051,529,728
  5. Step 5: Solve for x
    x = 2,740,874,262,444,051,529,728/87,202,902,397.89
  6. Step 6: Final answer
    x = 31,430,998,132.81

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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.