Home / 111,303,485.60-166,880,578.80-50,688,010.40

Finding the Fourth Proportional to 111,303,485.60, 166,880,578.80 and 50,688,010.40

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Solution

The fourth proportional to 111,303,485.60, 166,880,578.80 and 50,688,010.40 is: 75,998,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,303,485.60 : 166,880,578.80 = 50,688,010.40 : x
  2. Step 2: Convert to fraction form
    111,303,485.60/166,880,578.80 = 50,688,010.40/x
  3. Step 3: Cross multiply
    111,303,485.60x = 166,880,578.80 × 50,688,010.40
  4. Step 4: Simplify right side
    111,303,485.60x = 8,458,844,513,772,420
  5. Step 5: Solve for x
    x = 8,458,844,513,772,420/111,303,485.60
  6. Step 6: Final answer
    x = 75,998,019.90

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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.