Home / 119,928,616.79-165,501,863.84-64,924,342.07

Finding the Fourth Proportional to 119,928,616.79, 165,501,863.84 and 64,924,342.07

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Solution

The fourth proportional to 119,928,616.79, 165,501,863.84 and 64,924,342.07 is: 89,595,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,928,616.79 : 165,501,863.84 = 64,924,342.07 : x
  2. Step 2: Convert to fraction form
    119,928,616.79/165,501,863.84 = 64,924,342.07/x
  3. Step 3: Cross multiply
    119,928,616.79x = 165,501,863.84 × 64,924,342.07
  4. Step 4: Simplify right side
    119,928,616.79x = 10,745,099,620,846,102
  5. Step 5: Solve for x
    x = 10,745,099,620,846,102/119,928,616.79
  6. Step 6: Final answer
    x = 89,595,793.80

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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.