Home / 119,624,742.48-165,112,857.54-77,912,747.58

Finding the Fourth Proportional to 119,624,742.48, 165,112,857.54 and 77,912,747.58

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Solution

The fourth proportional to 119,624,742.48, 165,112,857.54 and 77,912,747.58 is: 107,539,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,742.48 : 165,112,857.54 = 77,912,747.58 : x
  2. Step 2: Convert to fraction form
    119,624,742.48/165,112,857.54 = 77,912,747.58/x
  3. Step 3: Cross multiply
    119,624,742.48x = 165,112,857.54 × 77,912,747.58
  4. Step 4: Simplify right side
    119,624,742.48x = 12,864,396,391,726,518
  5. Step 5: Solve for x
    x = 12,864,396,391,726,518/119,624,742.48
  6. Step 6: Final answer
    x = 107,539,595.28

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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.