Home / 348,091,997.76-522,197,482.09-143,508,237.12

Finding the Fourth Proportional to 348,091,997.76, 522,197,482.09 and 143,508,237.12

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Solution

The fourth proportional to 348,091,997.76, 522,197,482.09 and 143,508,237.12 is: 215,286,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,091,997.76 : 522,197,482.09 = 143,508,237.12 : x
  2. Step 2: Convert to fraction form
    348,091,997.76/522,197,482.09 = 143,508,237.12/x
  3. Step 3: Cross multiply
    348,091,997.76x = 522,197,482.09 × 143,508,237.12
  4. Step 4: Simplify right side
    348,091,997.76x = 74,939,640,083,826,624
  5. Step 5: Solve for x
    x = 74,939,640,083,826,624/348,091,997.76
  6. Step 6: Final answer
    x = 215,286,879.81

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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.