Home / 139,725,902.05-192,822,503.64-80,182,457.12

Finding the Fourth Proportional to 139,725,902.05, 192,822,503.64 and 80,182,457.12

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Solution

The fourth proportional to 139,725,902.05, 192,822,503.64 and 80,182,457.12 is: 110,652,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,725,902.05 : 192,822,503.64 = 80,182,457.12 : x
  2. Step 2: Convert to fraction form
    139,725,902.05/192,822,503.64 = 80,182,457.12/x
  3. Step 3: Cross multiply
    139,725,902.05x = 192,822,503.64 × 80,182,457.12
  4. Step 4: Simplify right side
    139,725,902.05x = 15,460,982,129,885,344
  5. Step 5: Solve for x
    x = 15,460,982,129,885,344/139,725,902.05
  6. Step 6: Final answer
    x = 110,652,226.27

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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.