Home / 119,624,694.66-165,112,791.54-77,912,699.76

Finding the Fourth Proportional to 119,624,694.66, 165,112,791.54 and 77,912,699.76

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Solution

The fourth proportional to 119,624,694.66, 165,112,791.54 and 77,912,699.76 is: 107,539,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,694.66 : 165,112,791.54 = 77,912,699.76 : x
  2. Step 2: Convert to fraction form
    119,624,694.66/165,112,791.54 = 77,912,699.76/x
  3. Step 3: Cross multiply
    119,624,694.66x = 165,112,791.54 × 77,912,699.76
  4. Step 4: Simplify right side
    119,624,694.66x = 12,864,383,353,791,488
  5. Step 5: Solve for x
    x = 12,864,383,353,791,488/119,624,694.66
  6. Step 6: Final answer
    x = 107,539,529.28

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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.