Home / 130,380,197,019.60-195,570,295,529.40-125,421,214,760.40

Finding the Fourth Proportional to 130,380,197,019.60, 195,570,295,529.40 and 125,421,214,760.40

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Solution

The fourth proportional to 130,380,197,019.60, 195,570,295,529.40 and 125,421,214,760.40 is: 188,131,822,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,197,019.60 : 195,570,295,529.40 = 125,421,214,760.40 : x
  2. Step 2: Convert to fraction form
    130,380,197,019.60/195,570,295,529.40 = 125,421,214,760.40/x
  3. Step 3: Cross multiply
    130,380,197,019.60x = 195,570,295,529.40 × 125,421,214,760.40
  4. Step 4: Simplify right side
    130,380,197,019.60x = 24,528,664,036,347,769,520,128
  5. Step 5: Solve for x
    x = 24,528,664,036,347,769,520,128/130,380,197,019.60
  6. Step 6: Final answer
    x = 188,131,822,140.60

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1.5x scale

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.