Home / 162,122,045.19-243,146,599.84-74,599,608.27

Finding the Fourth Proportional to 162,122,045.19, 243,146,599.84 and 74,599,608.27

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Solution

The fourth proportional to 162,122,045.19, 243,146,599.84 and 74,599,608.27 is: 111,882,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122,045.19 : 243,146,599.84 = 74,599,608.27 : x
  2. Step 2: Convert to fraction form
    162,122,045.19/243,146,599.84 = 74,599,608.27/x
  3. Step 3: Cross multiply
    162,122,045.19x = 243,146,599.84 × 74,599,608.27
  4. Step 4: Simplify right side
    162,122,045.19x = 18,138,641,100,246,444
  5. Step 5: Solve for x
    x = 18,138,641,100,246,444/162,122,045.19
  6. Step 6: Final answer
    x = 111,882,631.87

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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.