Home / 217,307,108.70-325,960,663.05-131,001,090.30

Finding the Fourth Proportional to 217,307,108.70, 325,960,663.05 and 131,001,090.30

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Solution

The fourth proportional to 217,307,108.70, 325,960,663.05 and 131,001,090.30 is: 196,501,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,307,108.70 : 325,960,663.05 = 131,001,090.30 : x
  2. Step 2: Convert to fraction form
    217,307,108.70/325,960,663.05 = 131,001,090.30/x
  3. Step 3: Cross multiply
    217,307,108.70x = 325,960,663.05 × 131,001,090.30
  4. Step 4: Simplify right side
    217,307,108.70x = 42,701,202,254,460,928
  5. Step 5: Solve for x
    x = 42,701,202,254,460,928/217,307,108.70
  6. Step 6: Final answer
    x = 196,501,635.45

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Double scale
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Similar ratio
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1.5x scale

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.