Home / 219,613,720.80-329,326,102.80-110,396,690.40

Finding the Fourth Proportional to 219,613,720.80, 329,326,102.80 and 110,396,690.40

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Solution

The fourth proportional to 219,613,720.80, 329,326,102.80 and 110,396,690.40 is: 165,547,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,613,720.80 : 329,326,102.80 = 110,396,690.40 : x
  2. Step 2: Convert to fraction form
    219,613,720.80/329,326,102.80 = 110,396,690.40/x
  3. Step 3: Cross multiply
    219,613,720.80x = 329,326,102.80 × 110,396,690.40
  4. Step 4: Simplify right side
    219,613,720.80x = 36,356,511,811,450,176
  5. Step 5: Solve for x
    x = 36,356,511,811,450,176/219,613,720.80
  6. Step 6: Final answer
    x = 165,547,542.65

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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.