Home / 209,310,138-313,941,250.62-55,968,151.86

Finding the Fourth Proportional to 209,310,138, 313,941,250.62 and 55,968,151.86

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Solution

The fourth proportional to 209,310,138, 313,941,250.62 and 55,968,151.86 is: 83,945,822.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,310,138 : 313,941,250.62 = 55,968,151.86 : x
  2. Step 2: Convert to fraction form
    209,310,138/313,941,250.62 = 55,968,151.86/x
  3. Step 3: Cross multiply
    209,310,138x = 313,941,250.62 × 55,968,151.86
  4. Step 4: Simplify right side
    209,310,138x = 17,570,711,589,818,480
  5. Step 5: Solve for x
    x = 17,570,711,589,818,480/209,310,138
  6. Step 6: Final answer
    x = 83,945,822.01

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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.