Home / 77,161,332.31-116,203,900.79-70,273,856.95

Finding the Fourth Proportional to 77,161,332.31, 116,203,900.79 and 70,273,856.95

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Solution

The fourth proportional to 77,161,332.31, 116,203,900.79 and 70,273,856.95 is: 105,831,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,332.31 : 116,203,900.79 = 70,273,856.95 : x
  2. Step 2: Convert to fraction form
    77,161,332.31/116,203,900.79 = 70,273,856.95/x
  3. Step 3: Cross multiply
    77,161,332.31x = 116,203,900.79 × 70,273,856.95
  4. Step 4: Simplify right side
    77,161,332.31x = 8,166,096,301,469,392
  5. Step 5: Solve for x
    x = 8,166,096,301,469,392/77,161,332.31
  6. Step 6: Final answer
    x = 105,831,458.02

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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.