Home / 81,432,122.70-112,377,081.88-44,262,490.36

Finding the Fourth Proportional to 81,432,122.70, 112,377,081.88 and 44,262,490.36

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Solution

The fourth proportional to 81,432,122.70, 112,377,081.88 and 44,262,490.36 is: 61,082,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432,122.70 : 112,377,081.88 = 44,262,490.36 : x
  2. Step 2: Convert to fraction form
    81,432,122.70/112,377,081.88 = 44,262,490.36/x
  3. Step 3: Cross multiply
    81,432,122.70x = 112,377,081.88 × 44,262,490.36
  4. Step 4: Simplify right side
    81,432,122.70x = 4,974,089,503,398,430
  5. Step 5: Solve for x
    x = 4,974,089,503,398,430/81,432,122.70
  6. Step 6: Final answer
    x = 61,082,645.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.