Home / 151,434,111.20-227,151,166.80-115,154,405.60

Finding the Fourth Proportional to 151,434,111.20, 227,151,166.80 and 115,154,405.60

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Solution

The fourth proportional to 151,434,111.20, 227,151,166.80 and 115,154,405.60 is: 172,731,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,434,111.20 : 227,151,166.80 = 115,154,405.60 : x
  2. Step 2: Convert to fraction form
    151,434,111.20/227,151,166.80 = 115,154,405.60/x
  3. Step 3: Cross multiply
    151,434,111.20x = 227,151,166.80 × 115,154,405.60
  4. Step 4: Simplify right side
    151,434,111.20x = 26,157,457,594,200,456
  5. Step 5: Solve for x
    x = 26,157,457,594,200,456/151,434,111.20
  6. Step 6: Final answer
    x = 172,731,608.40

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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.