Home / 247,412,832.10-341,409,796.98-142,997,666.38

Finding the Fourth Proportional to 247,412,832.10, 341,409,796.98 and 142,997,666.38

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Solution

The fourth proportional to 247,412,832.10, 341,409,796.98 and 142,997,666.38 is: 197,325,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,412,832.10 : 341,409,796.98 = 142,997,666.38 : x
  2. Step 2: Convert to fraction form
    247,412,832.10/341,409,796.98 = 142,997,666.38/x
  3. Step 3: Cross multiply
    247,412,832.10x = 341,409,796.98 × 142,997,666.38
  4. Step 4: Simplify right side
    247,412,832.10x = 48,820,804,247,409,576
  5. Step 5: Solve for x
    x = 48,820,804,247,409,576/247,412,832.10
  6. Step 6: Final answer
    x = 197,325,271.42

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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.