Home / 199,292,145.87-275,023,332.53-111,186,157.22

Finding the Fourth Proportional to 199,292,145.87, 275,023,332.53 and 111,186,157.22

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Solution

The fourth proportional to 199,292,145.87, 275,023,332.53 and 111,186,157.22 is: 153,436,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,292,145.87 : 275,023,332.53 = 111,186,157.22 : x
  2. Step 2: Convert to fraction form
    199,292,145.87/275,023,332.53 = 111,186,157.22/x
  3. Step 3: Cross multiply
    199,292,145.87x = 275,023,332.53 × 111,186,157.22
  4. Step 4: Simplify right side
    199,292,145.87x = 30,578,787,489,848,916
  5. Step 5: Solve for x
    x = 30,578,787,489,848,916/199,292,145.87
  6. Step 6: Final answer
    x = 153,436,992.49

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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.