Home / 209,968,319.55-314,952,479.33-133,346,337.15

Finding the Fourth Proportional to 209,968,319.55, 314,952,479.33 and 133,346,337.15

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Solution

The fourth proportional to 209,968,319.55, 314,952,479.33 and 133,346,337.15 is: 200,019,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,319.55 : 314,952,479.33 = 133,346,337.15 : x
  2. Step 2: Convert to fraction form
    209,968,319.55/314,952,479.33 = 133,346,337.15/x
  3. Step 3: Cross multiply
    209,968,319.55x = 314,952,479.33 × 133,346,337.15
  4. Step 4: Simplify right side
    209,968,319.55x = 41,997,759,494,299,856
  5. Step 5: Solve for x
    x = 41,997,759,494,299,856/209,968,319.55
  6. Step 6: Final answer
    x = 200,019,505.73

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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.