Home / 146,528,436.89-202,209,640.79-80,453,214.92

Finding the Fourth Proportional to 146,528,436.89, 202,209,640.79 and 80,453,214.92

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Solution

The fourth proportional to 146,528,436.89, 202,209,640.79 and 80,453,214.92 is: 111,025,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,436.89 : 202,209,640.79 = 80,453,214.92 : x
  2. Step 2: Convert to fraction form
    146,528,436.89/202,209,640.79 = 80,453,214.92/x
  3. Step 3: Cross multiply
    146,528,436.89x = 202,209,640.79 × 80,453,214.92
  4. Step 4: Simplify right side
    146,528,436.89x = 16,268,415,689,373,868
  5. Step 5: Solve for x
    x = 16,268,415,689,373,868/146,528,436.89
  6. Step 6: Final answer
    x = 111,025,655.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.