Home / 119,624,741.53-165,112,856.22-77,912,746.63

Finding the Fourth Proportional to 119,624,741.53, 165,112,856.22 and 77,912,746.63

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Solution

The fourth proportional to 119,624,741.53, 165,112,856.22 and 77,912,746.63 is: 107,539,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,741.53 : 165,112,856.22 = 77,912,746.63 : x
  2. Step 2: Convert to fraction form
    119,624,741.53/165,112,856.22 = 77,912,746.63/x
  3. Step 3: Cross multiply
    119,624,741.53x = 165,112,856.22 × 77,912,746.63
  4. Step 4: Simplify right side
    119,624,741.53x = 12,864,396,131,903,870
  5. Step 5: Solve for x
    x = 12,864,396,131,903,870/119,624,741.53
  6. Step 6: Final answer
    x = 107,539,593.96

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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.