Home / 74,376,121.20-111,564,181.80-73,100,662.80

Finding the Fourth Proportional to 74,376,121.20, 111,564,181.80 and 73,100,662.80

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Solution

The fourth proportional to 74,376,121.20, 111,564,181.80 and 73,100,662.80 is: 109,650,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376,121.20 : 111,564,181.80 = 73,100,662.80 : x
  2. Step 2: Convert to fraction form
    74,376,121.20/111,564,181.80 = 73,100,662.80/x
  3. Step 3: Cross multiply
    74,376,121.20x = 111,564,181.80 × 73,100,662.80
  4. Step 4: Simplify right side
    74,376,121.20x = 8,155,415,634,319,696
  5. Step 5: Solve for x
    x = 8,155,415,634,319,696/74,376,121.20
  6. Step 6: Final answer
    x = 109,650,994.20

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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.