Home / 291,073,106.40-436,609,659.60-118,461,069.60

Finding the Fourth Proportional to 291,073,106.40, 436,609,659.60 and 118,461,069.60

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Solution

The fourth proportional to 291,073,106.40, 436,609,659.60 and 118,461,069.60 is: 177,691,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,106.40 : 436,609,659.60 = 118,461,069.60 : x
  2. Step 2: Convert to fraction form
    291,073,106.40/436,609,659.60 = 118,461,069.60/x
  3. Step 3: Cross multiply
    291,073,106.40x = 436,609,659.60 × 118,461,069.60
  4. Step 4: Simplify right side
    291,073,106.40x = 51,721,247,273,907,912
  5. Step 5: Solve for x
    x = 51,721,247,273,907,912/291,073,106.40
  6. Step 6: Final answer
    x = 177,691,604.40

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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.