Home / 199,292,142.87-275,023,328.39-111,186,154.22

Finding the Fourth Proportional to 199,292,142.87, 275,023,328.39 and 111,186,154.22

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Solution

The fourth proportional to 199,292,142.87, 275,023,328.39 and 111,186,154.22 is: 153,436,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,292,142.87 : 275,023,328.39 = 111,186,154.22 : x
  2. Step 2: Convert to fraction form
    199,292,142.87/275,023,328.39 = 111,186,154.22/x
  3. Step 3: Cross multiply
    199,292,142.87x = 275,023,328.39 × 111,186,154.22
  4. Step 4: Simplify right side
    199,292,142.87x = 30,578,786,202,537,196
  5. Step 5: Solve for x
    x = 30,578,786,202,537,196/199,292,142.87
  6. Step 6: Final answer
    x = 153,436,988.34

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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.