Home / 315,761,808.12-473,675,198.34-119,190,796.20

Finding the Fourth Proportional to 315,761,808.12, 473,675,198.34 and 119,190,796.20

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Solution

The fourth proportional to 315,761,808.12, 473,675,198.34 and 119,190,796.20 is: 178,798,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,761,808.12 : 473,675,198.34 = 119,190,796.20 : x
  2. Step 2: Convert to fraction form
    315,761,808.12/473,675,198.34 = 119,190,796.20/x
  3. Step 3: Cross multiply
    315,761,808.12x = 473,675,198.34 × 119,190,796.20
  4. Step 4: Simplify right side
    315,761,808.12x = 56,457,724,030,337,520
  5. Step 5: Solve for x
    x = 56,457,724,030,337,520/315,761,808.12
  6. Step 6: Final answer
    x = 178,798,456.87

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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.