Home / 139,743,553.05-192,838,233.53-77,019,460.94

Finding the Fourth Proportional to 139,743,553.05, 192,838,233.53 and 77,019,460.94

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Solution

The fourth proportional to 139,743,553.05, 192,838,233.53 and 77,019,460.94 is: 106,282,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,743,553.05 : 192,838,233.53 = 77,019,460.94 : x
  2. Step 2: Convert to fraction form
    139,743,553.05/192,838,233.53 = 77,019,460.94/x
  3. Step 3: Cross multiply
    139,743,553.05x = 192,838,233.53 × 77,019,460.94
  4. Step 4: Simplify right side
    139,743,553.05x = 14,852,296,795,777,076
  5. Step 5: Solve for x
    x = 14,852,296,795,777,076/139,743,553.05
  6. Step 6: Final answer
    x = 106,282,518.74

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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.