Home / 307,707,211.20-461,168,906.40-125,748,811.20

Finding the Fourth Proportional to 307,707,211.20, 461,168,906.40 and 125,748,811.20

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Solution

The fourth proportional to 307,707,211.20, 461,168,906.40 and 125,748,811.20 is: 188,463,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,707,211.20 : 461,168,906.40 = 125,748,811.20 : x
  2. Step 2: Convert to fraction form
    307,707,211.20/461,168,906.40 = 125,748,811.20/x
  3. Step 3: Cross multiply
    307,707,211.20x = 461,168,906.40 × 125,748,811.20
  4. Step 4: Simplify right side
    307,707,211.20x = 57,991,441,742,204,072
  5. Step 5: Solve for x
    x = 57,991,441,742,204,072/307,707,211.20
  6. Step 6: Final answer
    x = 188,463,057.19

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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.