Home / 200,510,113.44-300,706,822.24-77,661,030.90

Finding the Fourth Proportional to 200,510,113.44, 300,706,822.24 and 77,661,030.90

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Solution

The fourth proportional to 200,510,113.44, 300,706,822.24 and 77,661,030.90 is: 116,468,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,510,113.44 : 300,706,822.24 = 77,661,030.90 : x
  2. Step 2: Convert to fraction form
    200,510,113.44/300,706,822.24 = 77,661,030.90/x
  3. Step 3: Cross multiply
    200,510,113.44x = 300,706,822.24 × 77,661,030.90
  4. Step 4: Simplify right side
    200,510,113.44x = 23,353,201,813,821,448
  5. Step 5: Solve for x
    x = 23,353,201,813,821,448/200,510,113.44
  6. Step 6: Final answer
    x = 116,468,947.19

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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.