Home / 217,140,564.30-325,758,085.65-71,549,349.90

Finding the Fourth Proportional to 217,140,564.30, 325,758,085.65 and 71,549,349.90

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Solution

The fourth proportional to 217,140,564.30, 325,758,085.65 and 71,549,349.90 is: 107,339,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,140,564.30 : 325,758,085.65 = 71,549,349.90 : x
  2. Step 2: Convert to fraction form
    217,140,564.30/325,758,085.65 = 71,549,349.90/x
  3. Step 3: Cross multiply
    217,140,564.30x = 325,758,085.65 × 71,549,349.90
  4. Step 4: Simplify right side
    217,140,564.30x = 23,307,779,252,926,020
  5. Step 5: Solve for x
    x = 23,307,779,252,926,020/217,140,564.30
  6. Step 6: Final answer
    x = 107,339,590.50

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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.