Home / 190,384,739.52-285,577,205.04-125,673,420.48

Finding the Fourth Proportional to 190,384,739.52, 285,577,205.04 and 125,673,420.48

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Solution

The fourth proportional to 190,384,739.52, 285,577,205.04 and 125,673,420.48 is: 188,510,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,384,739.52 : 285,577,205.04 = 125,673,420.48 : x
  2. Step 2: Convert to fraction form
    190,384,739.52/285,577,205.04 = 125,673,420.48/x
  3. Step 3: Cross multiply
    190,384,739.52x = 285,577,205.04 × 125,673,420.48
  4. Step 4: Simplify right side
    190,384,739.52x = 35,889,464,168,495,100
  5. Step 5: Solve for x
    x = 35,889,464,168,495,100/190,384,739.52
  6. Step 6: Final answer
    x = 188,510,193.93

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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.