Home / 77,161,333.06-116,203,901.92-70,273,857.70

Finding the Fourth Proportional to 77,161,333.06, 116,203,901.92 and 70,273,857.70

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Solution

The fourth proportional to 77,161,333.06, 116,203,901.92 and 70,273,857.70 is: 105,831,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,333.06 : 116,203,901.92 = 70,273,857.70 : x
  2. Step 2: Convert to fraction form
    77,161,333.06/116,203,901.92 = 70,273,857.70/x
  3. Step 3: Cross multiply
    77,161,333.06x = 116,203,901.92 × 70,273,857.70
  4. Step 4: Simplify right side
    77,161,333.06x = 8,166,096,467,680,408
  5. Step 5: Solve for x
    x = 8,166,096,467,680,408/77,161,333.06
  6. Step 6: Final answer
    x = 105,831,459.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.