Home / 201,211,204.80-301,816,807.20-73,610,155.20

Finding the Fourth Proportional to 201,211,204.80, 301,816,807.20 and 73,610,155.20

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Solution

The fourth proportional to 201,211,204.80, 301,816,807.20 and 73,610,155.20 is: 110,415,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211,204.80 : 301,816,807.20 = 73,610,155.20 : x
  2. Step 2: Convert to fraction form
    201,211,204.80/301,816,807.20 = 73,610,155.20/x
  3. Step 3: Cross multiply
    201,211,204.80x = 301,816,807.20 × 73,610,155.20
  4. Step 4: Simplify right side
    201,211,204.80x = 22,216,782,019,960,476
  5. Step 5: Solve for x
    x = 22,216,782,019,960,476/201,211,204.80
  6. Step 6: Final answer
    x = 110,415,232.80

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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.