Home / 139,615,234.17-192,666,672.34-76,897,172.61

Finding the Fourth Proportional to 139,615,234.17, 192,666,672.34 and 76,897,172.61

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Solution

The fourth proportional to 139,615,234.17, 192,666,672.34 and 76,897,172.61 is: 106,116,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,615,234.17 : 192,666,672.34 = 76,897,172.61 : x
  2. Step 2: Convert to fraction form
    139,615,234.17/192,666,672.34 = 76,897,172.61/x
  3. Step 3: Cross multiply
    139,615,234.17x = 192,666,672.34 × 76,897,172.61
  4. Step 4: Simplify right side
    139,615,234.17x = 14,815,522,359,363,980
  5. Step 5: Solve for x
    x = 14,815,522,359,363,980/139,615,234.17
  6. Step 6: Final answer
    x = 106,116,803.43

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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.