Home / 347,530,200.40-521,484,257.40-143,078,942.80

Finding the Fourth Proportional to 347,530,200.40, 521,484,257.40 and 143,078,942.80

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Solution

The fourth proportional to 347,530,200.40, 521,484,257.40 and 143,078,942.80 is: 214,696,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,530,200.40 : 521,484,257.40 = 143,078,942.80 : x
  2. Step 2: Convert to fraction form
    347,530,200.40/521,484,257.40 = 143,078,942.80/x
  3. Step 3: Cross multiply
    347,530,200.40x = 521,484,257.40 × 143,078,942.80
  4. Step 4: Simplify right side
    347,530,200.40x = 74,613,416,235,635,072
  5. Step 5: Solve for x
    x = 74,613,416,235,635,072/347,530,200.40
  6. Step 6: Final answer
    x = 214,696,208.13

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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.