Home / 77,117,440.40-106,394,141-50,670,039.76

Finding the Fourth Proportional to 77,117,440.40, 106,394,141 and 50,670,039.76

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Solution

The fourth proportional to 77,117,440.40, 106,394,141 and 50,670,039.76 is: 69,906,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,117,440.40 : 106,394,141 = 50,670,039.76 : x
  2. Step 2: Convert to fraction form
    77,117,440.40/106,394,141 = 50,670,039.76/x
  3. Step 3: Cross multiply
    77,117,440.40x = 106,394,141 × 50,670,039.76
  4. Step 4: Simplify right side
    77,117,440.40x = 5,390,995,354,701,046
  5. Step 5: Solve for x
    x = 5,390,995,354,701,046/77,117,440.40
  6. Step 6: Final answer
    x = 69,906,305.59

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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.