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Finding the Fourth Proportional to 360,491,133.60, 540,705,207.60 and 118,154,037.60

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Solution

The fourth proportional to 360,491,133.60, 540,705,207.60 and 118,154,037.60 is: 177,220,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,491,133.60 : 540,705,207.60 = 118,154,037.60 : x
  2. Step 2: Convert to fraction form
    360,491,133.60/540,705,207.60 = 118,154,037.60/x
  3. Step 3: Cross multiply
    360,491,133.60x = 540,705,207.60 × 118,154,037.60
  4. Step 4: Simplify right side
    360,491,133.60x = 63,886,503,429,286,208
  5. Step 5: Solve for x
    x = 63,886,503,429,286,208/360,491,133.60
  6. Step 6: Final answer
    x = 177,220,734.37

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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.