Home / 201,074,601.10-301,611,901.65-71,828,149.90

Finding the Fourth Proportional to 201,074,601.10, 301,611,901.65 and 71,828,149.90

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Solution

The fourth proportional to 201,074,601.10, 301,611,901.65 and 71,828,149.90 is: 107,742,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,074,601.10 : 301,611,901.65 = 71,828,149.90 : x
  2. Step 2: Convert to fraction form
    201,074,601.10/301,611,901.65 = 71,828,149.90/x
  3. Step 3: Cross multiply
    201,074,601.10x = 301,611,901.65 × 71,828,149.90
  4. Step 4: Simplify right side
    201,074,601.10x = 21,664,224,883,340,256
  5. Step 5: Solve for x
    x = 21,664,224,883,340,256/201,074,601.10
  6. Step 6: Final answer
    x = 107,742,224.85

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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.