Home / 202,379,362.80-303,569,042.16-72,986,971.05

Finding the Fourth Proportional to 202,379,362.80, 303,569,042.16 and 72,986,971.05

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Solution

The fourth proportional to 202,379,362.80, 303,569,042.16 and 72,986,971.05 is: 109,480,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,379,362.80 : 303,569,042.16 = 72,986,971.05 : x
  2. Step 2: Convert to fraction form
    202,379,362.80/303,569,042.16 = 72,986,971.05/x
  3. Step 3: Cross multiply
    202,379,362.80x = 303,569,042.16 × 72,986,971.05
  4. Step 4: Simplify right side
    202,379,362.80x = 22,156,584,891,808,152
  5. Step 5: Solve for x
    x = 22,156,584,891,808,152/202,379,362.80
  6. Step 6: Final answer
    x = 109,480,455.84

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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.