Home / 155,723,918.10-214,825,837.80-111,079,757.62

Finding the Fourth Proportional to 155,723,918.10, 214,825,837.80 and 111,079,757.62

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Solution

The fourth proportional to 155,723,918.10, 214,825,837.80 and 111,079,757.62 is: 153,237,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,723,918.10 : 214,825,837.80 = 111,079,757.62 : x
  2. Step 2: Convert to fraction form
    155,723,918.10/214,825,837.80 = 111,079,757.62/x
  3. Step 3: Cross multiply
    155,723,918.10x = 214,825,837.80 × 111,079,757.62
  4. Step 4: Simplify right side
    155,723,918.10x = 23,862,801,993,337,436
  5. Step 5: Solve for x
    x = 23,862,801,993,337,436/155,723,918.10
  6. Step 6: Final answer
    x = 153,237,873.05

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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.