Home / 100,620,804.74-150,823,588.24-45,951,469.06

Finding the Fourth Proportional to 100,620,804.74, 150,823,588.24 and 45,951,469.06

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Solution

The fourth proportional to 100,620,804.74, 150,823,588.24 and 45,951,469.06 is: 68,878,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,620,804.74 : 150,823,588.24 = 45,951,469.06 : x
  2. Step 2: Convert to fraction form
    100,620,804.74/150,823,588.24 = 45,951,469.06/x
  3. Step 3: Cross multiply
    100,620,804.74x = 150,823,588.24 × 45,951,469.06
  4. Step 4: Simplify right side
    100,620,804.74x = 6,930,565,448,528,541
  5. Step 5: Solve for x
    x = 6,930,565,448,528,541/100,620,804.74
  6. Step 6: Final answer
    x = 68,878,056.25

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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.