Home / 136,726,996.77-188,683,241.54-74,003,083.74

Finding the Fourth Proportional to 136,726,996.77, 188,683,241.54 and 74,003,083.74

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Solution

The fourth proportional to 136,726,996.77, 188,683,241.54 and 74,003,083.74 is: 102,124,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,726,996.77 : 188,683,241.54 = 74,003,083.74 : x
  2. Step 2: Convert to fraction form
    136,726,996.77/188,683,241.54 = 74,003,083.74/x
  3. Step 3: Cross multiply
    136,726,996.77x = 188,683,241.54 × 74,003,083.74
  4. Step 4: Simplify right side
    136,726,996.77x = 13,963,141,723,649,250
  5. Step 5: Solve for x
    x = 13,963,141,723,649,250/136,726,996.77
  6. Step 6: Final answer
    x = 102,124,247.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.