Home / 323,345,113.62-485,010,667.47-90,169,603.92

Finding the Fourth Proportional to 323,345,113.62, 485,010,667.47 and 90,169,603.92

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Solution

The fourth proportional to 323,345,113.62, 485,010,667.47 and 90,169,603.92 is: 135,252,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,345,113.62 : 485,010,667.47 = 90,169,603.92 : x
  2. Step 2: Convert to fraction form
    323,345,113.62/485,010,667.47 = 90,169,603.92/x
  3. Step 3: Cross multiply
    323,345,113.62x = 485,010,667.47 × 90,169,603.92
  4. Step 4: Simplify right side
    323,345,113.62x = 43,733,219,782,744,728
  5. Step 5: Solve for x
    x = 43,733,219,782,744,728/323,345,113.62
  6. Step 6: Final answer
    x = 135,252,453.00

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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.