Home / 214,912,841.80-322,369,262.70-71,287,011.40

Finding the Fourth Proportional to 214,912,841.80, 322,369,262.70 and 71,287,011.40

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Solution

The fourth proportional to 214,912,841.80, 322,369,262.70 and 71,287,011.40 is: 106,930,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912,841.80 : 322,369,262.70 = 71,287,011.40 : x
  2. Step 2: Convert to fraction form
    214,912,841.80/322,369,262.70 = 71,287,011.40/x
  3. Step 3: Cross multiply
    214,912,841.80x = 322,369,262.70 × 71,287,011.40
  4. Step 4: Simplify right side
    214,912,841.80x = 22,980,741,305,104,496
  5. Step 5: Solve for x
    x = 22,980,741,305,104,496/214,912,841.80
  6. Step 6: Final answer
    x = 106,930,517.10

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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.