Home / 119,882,811.41-165,438,277.70-64,878,667.91

Finding the Fourth Proportional to 119,882,811.41, 165,438,277.70 and 64,878,667.91

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Solution

The fourth proportional to 119,882,811.41, 165,438,277.70 and 64,878,667.91 is: 89,532,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,811.41 : 165,438,277.70 = 64,878,667.91 : x
  2. Step 2: Convert to fraction form
    119,882,811.41/165,438,277.70 = 64,878,667.91/x
  3. Step 3: Cross multiply
    119,882,811.41x = 165,438,277.70 × 64,878,667.91
  4. Step 4: Simplify right side
    119,882,811.41x = 10,733,415,078,500,658
  5. Step 5: Solve for x
    x = 10,733,415,078,500,658/119,882,811.41
  6. Step 6: Final answer
    x = 89,532,560.61

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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.