Home / 291,050,901.36-401,647,780.44-160,667,910

Finding the Fourth Proportional to 291,050,901.36, 401,647,780.44 and 160,667,910

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Solution

The fourth proportional to 291,050,901.36, 401,647,780.44 and 160,667,910 is: 221,720,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,050,901.36 : 401,647,780.44 = 160,667,910 : x
  2. Step 2: Convert to fraction form
    291,050,901.36/401,647,780.44 = 160,667,910/x
  3. Step 3: Cross multiply
    291,050,901.36x = 401,647,780.44 × 160,667,910
  4. Step 4: Simplify right side
    291,050,901.36x = 64,531,909,439,433,680
  5. Step 5: Solve for x
    x = 64,531,909,439,433,680/291,050,901.36
  6. Step 6: Final answer
    x = 221,720,355.92

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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.