Home / 107,847,323.80-161,770,985.70-90,628,635.40

Finding the Fourth Proportional to 107,847,323.80, 161,770,985.70 and 90,628,635.40

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Solution

The fourth proportional to 107,847,323.80, 161,770,985.70 and 90,628,635.40 is: 135,942,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,847,323.80 : 161,770,985.70 = 90,628,635.40 : x
  2. Step 2: Convert to fraction form
    107,847,323.80/161,770,985.70 = 90,628,635.40/x
  3. Step 3: Cross multiply
    107,847,323.80x = 161,770,985.70 × 90,628,635.40
  4. Step 4: Simplify right side
    107,847,323.80x = 14,661,083,681,303,914
  5. Step 5: Solve for x
    x = 14,661,083,681,303,914/107,847,323.80
  6. Step 6: Final answer
    x = 135,942,953.10

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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.