Home / 294,009,124.20-440,980,093.44-78,615,168.36

Finding the Fourth Proportional to 294,009,124.20, 440,980,093.44 and 78,615,168.36

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Solution

The fourth proportional to 294,009,124.20, 440,980,093.44 and 78,615,168.36 is: 117,913,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,009,124.20 : 440,980,093.44 = 78,615,168.36 : x
  2. Step 2: Convert to fraction form
    294,009,124.20/440,980,093.44 = 78,615,168.36/x
  3. Step 3: Cross multiply
    294,009,124.20x = 440,980,093.44 × 78,615,168.36
  4. Step 4: Simplify right side
    294,009,124.20x = 34,667,724,289,194,132
  5. Step 5: Solve for x
    x = 34,667,724,289,194,132/294,009,124.20
  6. Step 6: Final answer
    x = 117,913,770.14

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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.