Home / 107,922,783.20-161,884,174.80-73,485,406.40

Finding the Fourth Proportional to 107,922,783.20, 161,884,174.80 and 73,485,406.40

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Solution

The fourth proportional to 107,922,783.20, 161,884,174.80 and 73,485,406.40 is: 110,228,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922,783.20 : 161,884,174.80 = 73,485,406.40 : x
  2. Step 2: Convert to fraction form
    107,922,783.20/161,884,174.80 = 73,485,406.40/x
  3. Step 3: Cross multiply
    107,922,783.20x = 161,884,174.80 × 73,485,406.40
  4. Step 4: Simplify right side
    107,922,783.20x = 11,896,124,374,906,640
  5. Step 5: Solve for x
    x = 11,896,124,374,906,640/107,922,783.20
  6. Step 6: Final answer
    x = 110,228,109.60

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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.