Home / 134,136,015.90-201,204,023.85-115,004,139.90

Finding the Fourth Proportional to 134,136,015.90, 201,204,023.85 and 115,004,139.90

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Solution

The fourth proportional to 134,136,015.90, 201,204,023.85 and 115,004,139.90 is: 172,506,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,015.90 : 201,204,023.85 = 115,004,139.90 : x
  2. Step 2: Convert to fraction form
    134,136,015.90/201,204,023.85 = 115,004,139.90/x
  3. Step 3: Cross multiply
    134,136,015.90x = 201,204,023.85 × 115,004,139.90
  4. Step 4: Simplify right side
    134,136,015.90x = 23,139,295,707,288,336
  5. Step 5: Solve for x
    x = 23,139,295,707,288,336/134,136,015.90
  6. Step 6: Final answer
    x = 172,506,209.85

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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.