Home / 236,196,213.05-354,294,319.58-72,432,668.90

Finding the Fourth Proportional to 236,196,213.05, 354,294,319.58 and 72,432,668.90

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Solution

The fourth proportional to 236,196,213.05, 354,294,319.58 and 72,432,668.90 is: 108,649,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,213.05 : 354,294,319.58 = 72,432,668.90 : x
  2. Step 2: Convert to fraction form
    236,196,213.05/354,294,319.58 = 72,432,668.90/x
  3. Step 3: Cross multiply
    236,196,213.05x = 354,294,319.58 × 72,432,668.90
  4. Step 4: Simplify right side
    236,196,213.05x = 25,662,483,142,926,764
  5. Step 5: Solve for x
    x = 25,662,483,142,926,764/236,196,213.05
  6. Step 6: Final answer
    x = 108,649,003.35

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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.