Home / 112,188,909.30-168,289,487.54-35,506,215.78

Finding the Fourth Proportional to 112,188,909.30, 168,289,487.54 and 35,506,215.78

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Solution

The fourth proportional to 112,188,909.30, 168,289,487.54 and 35,506,215.78 is: 53,261,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188,909.30 : 168,289,487.54 = 35,506,215.78 : x
  2. Step 2: Convert to fraction form
    112,188,909.30/168,289,487.54 = 35,506,215.78/x
  3. Step 3: Cross multiply
    112,188,909.30x = 168,289,487.54 × 35,506,215.78
  4. Step 4: Simplify right side
    112,188,909.30x = 5,975,322,858,100,861
  5. Step 5: Solve for x
    x = 5,975,322,858,100,861/112,188,909.30
  6. Step 6: Final answer
    x = 53,261,261.70

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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.