Home / 291,268,109.60-436,608,231.60-145,477,440.80

Finding the Fourth Proportional to 291,268,109.60, 436,608,231.60 and 145,477,440.80

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Solution

The fourth proportional to 291,268,109.60, 436,608,231.60 and 145,477,440.80 is: 218,069,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,268,109.60 : 436,608,231.60 = 145,477,440.80 : x
  2. Step 2: Convert to fraction form
    291,268,109.60/436,608,231.60 = 145,477,440.80/x
  3. Step 3: Cross multiply
    291,268,109.60x = 436,608,231.60 × 145,477,440.80
  4. Step 4: Simplify right side
    291,268,109.60x = 63,516,648,165,381,696
  5. Step 5: Solve for x
    x = 63,516,648,165,381,696/291,268,109.60
  6. Step 6: Final answer
    x = 218,069,352.85

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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.