Home / 130,380,197,050.20-195,570,295,575.30-70,872,409,939.80

Finding the Fourth Proportional to 130,380,197,050.20, 195,570,295,575.30 and 70,872,409,939.80

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Solution

The fourth proportional to 130,380,197,050.20, 195,570,295,575.30 and 70,872,409,939.80 is: 106,308,614,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,197,050.20 : 195,570,295,575.30 = 70,872,409,939.80 : x
  2. Step 2: Convert to fraction form
    130,380,197,050.20/195,570,295,575.30 = 70,872,409,939.80/x
  3. Step 3: Cross multiply
    130,380,197,050.20x = 195,570,295,575.30 × 70,872,409,939.80
  4. Step 4: Simplify right side
    130,380,197,050.20x = 13,860,538,160,060,515,221,504
  5. Step 5: Solve for x
    x = 13,860,538,160,060,515,221,504/130,380,197,050.20
  6. Step 6: Final answer
    x = 106,308,614,909.70

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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.