Home / 217,430,511.14-326,103,666.51-84,483,134.30

Finding the Fourth Proportional to 217,430,511.14, 326,103,666.51 and 84,483,134.30

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Solution

The fourth proportional to 217,430,511.14, 326,103,666.51 and 84,483,134.30 is: 126,708,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,430,511.14 : 326,103,666.51 = 84,483,134.30 : x
  2. Step 2: Convert to fraction form
    217,430,511.14/326,103,666.51 = 84,483,134.30/x
  3. Step 3: Cross multiply
    217,430,511.14x = 326,103,666.51 × 84,483,134.30
  4. Step 4: Simplify right side
    217,430,511.14x = 27,550,259,853,486,740
  5. Step 5: Solve for x
    x = 27,550,259,853,486,740/217,430,511.14
  6. Step 6: Final answer
    x = 126,708,343.32

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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.