Home / 77,911,261.88-107,508,253.79-43,099,237.40

Finding the Fourth Proportional to 77,911,261.88, 107,508,253.79 and 43,099,237.40

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Solution

The fourth proportional to 77,911,261.88, 107,508,253.79 and 43,099,237.40 is: 59,471,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,911,261.88 : 107,508,253.79 = 43,099,237.40 : x
  2. Step 2: Convert to fraction form
    77,911,261.88/107,508,253.79 = 43,099,237.40/x
  3. Step 3: Cross multiply
    77,911,261.88x = 107,508,253.79 × 43,099,237.40
  4. Step 4: Simplify right side
    77,911,261.88x = 4,633,523,752,124,867
  5. Step 5: Solve for x
    x = 4,633,523,752,124,867/77,911,261.88
  6. Step 6: Final answer
    x = 59,471,809.86

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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.