Home / 211,559,016.99-317,338,102.60-56,128,404.67

Finding the Fourth Proportional to 211,559,016.99, 317,338,102.60 and 56,128,404.67

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Solution

The fourth proportional to 211,559,016.99, 317,338,102.60 and 56,128,404.67 is: 84,192,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,559,016.99 : 317,338,102.60 = 56,128,404.67 : x
  2. Step 2: Convert to fraction form
    211,559,016.99/317,338,102.60 = 56,128,404.67/x
  3. Step 3: Cross multiply
    211,559,016.99x = 317,338,102.60 × 56,128,404.67
  4. Step 4: Simplify right side
    211,559,016.99x = 17,811,681,439,942,782
  5. Step 5: Solve for x
    x = 17,811,681,439,942,782/211,559,016.99
  6. Step 6: Final answer
    x = 84,192,494.81

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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.