Home / 139,195,274.76-192,089,553.14-76,475,415.76

Finding the Fourth Proportional to 139,195,274.76, 192,089,553.14 and 76,475,415.76

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Solution

The fourth proportional to 139,195,274.76, 192,089,553.14 and 76,475,415.76 is: 105,536,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,195,274.76 : 192,089,553.14 = 76,475,415.76 : x
  2. Step 2: Convert to fraction form
    139,195,274.76/192,089,553.14 = 76,475,415.76/x
  3. Step 3: Cross multiply
    139,195,274.76x = 192,089,553.14 × 76,475,415.76
  4. Step 4: Simplify right side
    139,195,274.76x = 14,690,128,439,534,114
  5. Step 5: Solve for x
    x = 14,690,128,439,534,114/139,195,274.76
  6. Step 6: Final answer
    x = 105,536,114.39

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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.