Home / 77,132,440.88-106,442,476.32-42,325,713.68

Finding the Fourth Proportional to 77,132,440.88, 106,442,476.32 and 42,325,713.68

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Solution

The fourth proportional to 77,132,440.88, 106,442,476.32 and 42,325,713.68 is: 58,409,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132,440.88 : 106,442,476.32 = 42,325,713.68 : x
  2. Step 2: Convert to fraction form
    77,132,440.88/106,442,476.32 = 42,325,713.68/x
  3. Step 3: Cross multiply
    77,132,440.88x = 106,442,476.32 × 42,325,713.68
  4. Step 4: Simplify right side
    77,132,440.88x = 4,505,253,776,110,500
  5. Step 5: Solve for x
    x = 4,505,253,776,110,500/77,132,440.88
  6. Step 6: Final answer
    x = 58,409,324.59

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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.