Home / 217,430,514.14-326,103,671.01-84,483,137.30

Finding the Fourth Proportional to 217,430,514.14, 326,103,671.01 and 84,483,137.30

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Solution

The fourth proportional to 217,430,514.14, 326,103,671.01 and 84,483,137.30 is: 126,708,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,430,514.14 : 326,103,671.01 = 84,483,137.30 : x
  2. Step 2: Convert to fraction form
    217,430,514.14/326,103,671.01 = 84,483,137.30/x
  3. Step 3: Cross multiply
    217,430,514.14x = 326,103,671.01 × 84,483,137.30
  4. Step 4: Simplify right side
    217,430,514.14x = 27,550,261,211,971,856
  5. Step 5: Solve for x
    x = 27,550,261,211,971,856/217,430,514.14
  6. Step 6: Final answer
    x = 126,708,347.82

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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.