Home / 77,161,264.92-116,203,798.98-70,273,789.56

Finding the Fourth Proportional to 77,161,264.92, 116,203,798.98 and 70,273,789.56

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Solution

The fourth proportional to 77,161,264.92, 116,203,798.98 and 70,273,789.56 is: 105,831,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,264.92 : 116,203,798.98 = 70,273,789.56 : x
  2. Step 2: Convert to fraction form
    77,161,264.92/116,203,798.98 = 70,273,789.56/x
  3. Step 3: Cross multiply
    77,161,264.92x = 116,203,798.98 × 70,273,789.56
  4. Step 4: Simplify right side
    77,161,264.92x = 8,166,081,315,593,063
  5. Step 5: Solve for x
    x = 8,166,081,315,593,063/77,161,264.92
  6. Step 6: Final answer
    x = 105,831,356.24

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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.