Home / 218,613,316.20-327,977,463.76-78,567,918.24

Finding the Fourth Proportional to 218,613,316.20, 327,977,463.76 and 78,567,918.24

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Solution

The fourth proportional to 218,613,316.20, 327,977,463.76 and 78,567,918.24 is: 117,872,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,613,316.20 : 327,977,463.76 = 78,567,918.24 : x
  2. Step 2: Convert to fraction form
    218,613,316.20/327,977,463.76 = 78,567,918.24/x
  3. Step 3: Cross multiply
    218,613,316.20x = 327,977,463.76 × 78,567,918.24
  4. Step 4: Simplify right side
    218,613,316.20x = 25,768,506,557,258,240
  5. Step 5: Solve for x
    x = 25,768,506,557,258,240/218,613,316.20
  6. Step 6: Final answer
    x = 117,872,538.62

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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.