Home / 214,912,817.12-322,432,473.72-69,343,647.68

Finding the Fourth Proportional to 214,912,817.12, 322,432,473.72 and 69,343,647.68

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Solution

The fourth proportional to 214,912,817.12, 322,432,473.72 and 69,343,647.68 is: 104,035,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912,817.12 : 322,432,473.72 = 69,343,647.68 : x
  2. Step 2: Convert to fraction form
    214,912,817.12/322,432,473.72 = 69,343,647.68/x
  3. Step 3: Cross multiply
    214,912,817.12x = 322,432,473.72 × 69,343,647.68
  4. Step 4: Simplify right side
    214,912,817.12x = 22,358,643,857,827,500
  5. Step 5: Solve for x
    x = 22,358,643,857,827,500/214,912,817.12
  6. Step 6: Final answer
    x = 104,035,879.10

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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.