Home / 107,838,665.60-161,757,998.40-47,190,012.80

Finding the Fourth Proportional to 107,838,665.60, 161,757,998.40 and 47,190,012.80

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Solution

The fourth proportional to 107,838,665.60, 161,757,998.40 and 47,190,012.80 is: 70,785,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,665.60 : 161,757,998.40 = 47,190,012.80 : x
  2. Step 2: Convert to fraction form
    107,838,665.60/161,757,998.40 = 47,190,012.80/x
  3. Step 3: Cross multiply
    107,838,665.60x = 161,757,998.40 × 47,190,012.80
  4. Step 4: Simplify right side
    107,838,665.60x = 7,633,362,014,998,379
  5. Step 5: Solve for x
    x = 7,633,362,014,998,379/107,838,665.60
  6. Step 6: Final answer
    x = 70,785,019.20

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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.