Home / 51,742,668-77,667,835.20-38,111,206.56

Finding the Fourth Proportional to 51,742,668, 77,667,835.20 and 38,111,206.56

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Solution

The fourth proportional to 51,742,668, 77,667,835.20 and 38,111,206.56 is: 57,206,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,668 : 77,667,835.20 = 38,111,206.56 : x
  2. Step 2: Convert to fraction form
    51,742,668/77,667,835.20 = 38,111,206.56/x
  3. Step 3: Cross multiply
    51,742,668x = 77,667,835.20 × 38,111,206.56
  4. Step 4: Simplify right side
    51,742,668x = 2,960,014,910,375,239
  5. Step 5: Solve for x
    x = 2,960,014,910,375,239/51,742,668
  6. Step 6: Final answer
    x = 57,206,460.83

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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.