Home / 162,122,045.69-243,146,600.59-74,599,608.77

Finding the Fourth Proportional to 162,122,045.69, 243,146,600.59 and 74,599,608.77

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Solution

The fourth proportional to 162,122,045.69, 243,146,600.59 and 74,599,608.77 is: 111,882,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122,045.69 : 243,146,600.59 = 74,599,608.77 : x
  2. Step 2: Convert to fraction form
    162,122,045.69/243,146,600.59 = 74,599,608.77/x
  3. Step 3: Cross multiply
    162,122,045.69x = 243,146,600.59 × 74,599,608.77
  4. Step 4: Simplify right side
    162,122,045.69x = 18,138,641,277,769,452
  5. Step 5: Solve for x
    x = 18,138,641,277,769,452/162,122,045.69
  6. Step 6: Final answer
    x = 111,882,632.62

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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.