Home / 166,502,636.35-249,667,898.51-73,091,375.71

Finding the Fourth Proportional to 166,502,636.35, 249,667,898.51 and 73,091,375.71

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Solution

The fourth proportional to 166,502,636.35, 249,667,898.51 and 73,091,375.71 is: 109,599,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502,636.35 : 249,667,898.51 = 73,091,375.71 : x
  2. Step 2: Convert to fraction form
    166,502,636.35/249,667,898.51 = 73,091,375.71/x
  3. Step 3: Cross multiply
    166,502,636.35x = 249,667,898.51 × 73,091,375.71
  4. Step 4: Simplify right side
    166,502,636.35x = 18,248,570,172,720,556
  5. Step 5: Solve for x
    x = 18,248,570,172,720,556/166,502,636.35
  6. Step 6: Final answer
    x = 109,599,286.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.