Home / 152,997,060.31-229,563,201.57-80,196,433.94

Finding the Fourth Proportional to 152,997,060.31, 229,563,201.57 and 80,196,433.94

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Solution

The fourth proportional to 152,997,060.31, 229,563,201.57 and 80,196,433.94 is: 120,330,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,060.31 : 229,563,201.57 = 80,196,433.94 : x
  2. Step 2: Convert to fraction form
    152,997,060.31/229,563,201.57 = 80,196,433.94/x
  3. Step 3: Cross multiply
    152,997,060.31x = 229,563,201.57 × 80,196,433.94
  4. Step 4: Simplify right side
    152,997,060.31x = 18,410,150,130,337,316
  5. Step 5: Solve for x
    x = 18,410,150,130,337,316/152,997,060.31
  6. Step 6: Final answer
    x = 120,330,090.61

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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.