Home / 209,303,607.66-313,958,740.89-116,520,314.60

Finding the Fourth Proportional to 209,303,607.66, 313,958,740.89 and 116,520,314.60

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Solution

The fourth proportional to 209,303,607.66, 313,958,740.89 and 116,520,314.60 is: 174,782,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,303,607.66 : 313,958,740.89 = 116,520,314.60 : x
  2. Step 2: Convert to fraction form
    209,303,607.66/313,958,740.89 = 116,520,314.60/x
  3. Step 3: Cross multiply
    209,303,607.66x = 313,958,740.89 × 116,520,314.60
  4. Step 4: Simplify right side
    209,303,607.66x = 36,582,571,260,489,688
  5. Step 5: Solve for x
    x = 36,582,571,260,489,688/209,303,607.66
  6. Step 6: Final answer
    x = 174,782,325.40

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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.