Home / 199,976,082.50-275,967,398.95-111,871,551.54

Finding the Fourth Proportional to 199,976,082.50, 275,967,398.95 and 111,871,551.54

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Solution

The fourth proportional to 199,976,082.50, 275,967,398.95 and 111,871,551.54 is: 154,382,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,976,082.50 : 275,967,398.95 = 111,871,551.54 : x
  2. Step 2: Convert to fraction form
    199,976,082.50/275,967,398.95 = 111,871,551.54/x
  3. Step 3: Cross multiply
    199,976,082.50x = 275,967,398.95 × 111,871,551.54
  4. Step 4: Simplify right side
    199,976,082.50x = 30,872,901,095,287,636
  5. Step 5: Solve for x
    x = 30,872,901,095,287,636/199,976,082.50
  6. Step 6: Final answer
    x = 154,382,967.75

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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.