Home / 87,202,902,326.54-130,804,353,342.17-20,953,998,707.54

Finding the Fourth Proportional to 87,202,902,326.54, 130,804,353,342.17 and 20,953,998,707.54

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Solution

The fourth proportional to 87,202,902,326.54, 130,804,353,342.17 and 20,953,998,707.54 is: 31,430,998,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202,902,326.54 : 130,804,353,342.17 = 20,953,998,707.54 : x
  2. Step 2: Convert to fraction form
    87,202,902,326.54/130,804,353,342.17 = 20,953,998,707.54/x
  3. Step 3: Cross multiply
    87,202,902,326.54x = 130,804,353,342.17 × 20,953,998,707.54
  4. Step 4: Simplify right side
    87,202,902,326.54x = 2,740,874,250,871,781,720,064
  5. Step 5: Solve for x
    x = 2,740,874,250,871,781,720,064/87,202,902,326.54
  6. Step 6: Final answer
    x = 31,430,998,025.83

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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.