Home / 119,882,789.01-165,438,246.83-64,878,645.51

Finding the Fourth Proportional to 119,882,789.01, 165,438,246.83 and 64,878,645.51

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Solution

The fourth proportional to 119,882,789.01, 165,438,246.83 and 64,878,645.51 is: 89,532,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,789.01 : 165,438,246.83 = 64,878,645.51 : x
  2. Step 2: Convert to fraction form
    119,882,789.01/165,438,246.83 = 64,878,645.51/x
  3. Step 3: Cross multiply
    119,882,789.01x = 165,438,246.83 × 64,878,645.51
  4. Step 4: Simplify right side
    119,882,789.01x = 10,733,409,369,555,056
  5. Step 5: Solve for x
    x = 10,733,409,369,555,056/119,882,789.01
  6. Step 6: Final answer
    x = 89,532,529.72

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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.