Home / 162,122,090.94-243,146,668.32-74,599,653.96

Finding the Fourth Proportional to 162,122,090.94, 243,146,668.32 and 74,599,653.96

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Solution

The fourth proportional to 162,122,090.94, 243,146,668.32 and 74,599,653.96 is: 111,882,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122,090.94 : 243,146,668.32 = 74,599,653.96 : x
  2. Step 2: Convert to fraction form
    162,122,090.94/243,146,668.32 = 74,599,653.96/x
  3. Step 3: Cross multiply
    162,122,090.94x = 243,146,668.32 × 74,599,653.96
  4. Step 4: Simplify right side
    162,122,090.94x = 18,138,657,318,198,892
  5. Step 5: Solve for x
    x = 18,138,657,318,198,892/162,122,090.94
  6. Step 6: Final answer
    x = 111,882,700.33

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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.