Home / 54,477,059.60-81,715,589.40-40,128,152.60

Finding the Fourth Proportional to 54,477,059.60, 81,715,589.40 and 40,128,152.60

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Solution

The fourth proportional to 54,477,059.60, 81,715,589.40 and 40,128,152.60 is: 60,192,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477,059.60 : 81,715,589.40 = 40,128,152.60 : x
  2. Step 2: Convert to fraction form
    54,477,059.60/81,715,589.40 = 40,128,152.60/x
  3. Step 3: Cross multiply
    54,477,059.60x = 81,715,589.40 × 40,128,152.60
  4. Step 4: Simplify right side
    54,477,059.60x = 3,279,095,641,242,143
  5. Step 5: Solve for x
    x = 3,279,095,641,242,143/54,477,059.60
  6. Step 6: Final answer
    x = 60,192,228.90

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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.