Home / 130,336,662.40-195,713,889.60-103,632,380.80

Finding the Fourth Proportional to 130,336,662.40, 195,713,889.60 and 103,632,380.80

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Solution

The fourth proportional to 130,336,662.40, 195,713,889.60 and 103,632,380.80 is: 155,614,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,662.40 : 195,713,889.60 = 103,632,380.80 : x
  2. Step 2: Convert to fraction form
    130,336,662.40/195,713,889.60 = 103,632,380.80/x
  3. Step 3: Cross multiply
    130,336,662.40x = 195,713,889.60 × 103,632,380.80
  4. Step 4: Simplify right side
    130,336,662.40x = 20,282,296,334,876,360
  5. Step 5: Solve for x
    x = 20,282,296,334,876,360/130,336,662.40
  6. Step 6: Final answer
    x = 155,614,667.14

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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.