Home / 209,968,269.55-314,952,404.33-133,346,287.15

Finding the Fourth Proportional to 209,968,269.55, 314,952,404.33 and 133,346,287.15

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Solution

The fourth proportional to 209,968,269.55, 314,952,404.33 and 133,346,287.15 is: 200,019,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,269.55 : 314,952,404.33 = 133,346,287.15 : x
  2. Step 2: Convert to fraction form
    209,968,269.55/314,952,404.33 = 133,346,287.15/x
  3. Step 3: Cross multiply
    209,968,269.55x = 314,952,404.33 × 133,346,287.15
  4. Step 4: Simplify right side
    209,968,269.55x = 41,997,733,746,371,080
  5. Step 5: Solve for x
    x = 41,997,733,746,371,080/209,968,269.55
  6. Step 6: Final answer
    x = 200,019,430.73

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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.