Home / 91,567,950.19-126,363,742.20-50,317,499.77

Finding the Fourth Proportional to 91,567,950.19, 126,363,742.20 and 50,317,499.77

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Solution

The fourth proportional to 91,567,950.19, 126,363,742.20 and 50,317,499.77 is: 69,438,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567,950.19 : 126,363,742.20 = 50,317,499.77 : x
  2. Step 2: Convert to fraction form
    91,567,950.19/126,363,742.20 = 50,317,499.77/x
  3. Step 3: Cross multiply
    91,567,950.19x = 126,363,742.20 × 50,317,499.77
  4. Step 4: Simplify right side
    91,567,950.19x = 6,358,307,568,768,930
  5. Step 5: Solve for x
    x = 6,358,307,568,768,930/91,567,950.19
  6. Step 6: Final answer
    x = 69,438,133.71

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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.