Home / 107,798,439.80-161,697,659.70-43,112,228.60

Finding the Fourth Proportional to 107,798,439.80, 161,697,659.70 and 43,112,228.60

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Solution

The fourth proportional to 107,798,439.80, 161,697,659.70 and 43,112,228.60 is: 64,668,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798,439.80 : 161,697,659.70 = 43,112,228.60 : x
  2. Step 2: Convert to fraction form
    107,798,439.80/161,697,659.70 = 43,112,228.60/x
  3. Step 3: Cross multiply
    107,798,439.80x = 161,697,659.70 × 43,112,228.60
  4. Step 4: Simplify right side
    107,798,439.80x = 6,971,146,469,071,407
  5. Step 5: Solve for x
    x = 6,971,146,469,071,407/107,798,439.80
  6. Step 6: Final answer
    x = 64,668,342.90

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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.