Home / 77,161,314.22-116,203,873.62-70,273,838.86

Finding the Fourth Proportional to 77,161,314.22, 116,203,873.62 and 70,273,838.86

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Solution

The fourth proportional to 77,161,314.22, 116,203,873.62 and 70,273,838.86 is: 105,831,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,314.22 : 116,203,873.62 = 70,273,838.86 : x
  2. Step 2: Convert to fraction form
    77,161,314.22/116,203,873.62 = 70,273,838.86/x
  3. Step 3: Cross multiply
    77,161,314.22x = 116,203,873.62 × 70,273,838.86
  4. Step 4: Simplify right side
    77,161,314.22x = 8,166,092,289,652,702
  5. Step 5: Solve for x
    x = 8,166,092,289,652,702/77,161,314.22
  6. Step 6: Final answer
    x = 105,831,430.85

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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.