Home / 130,380,196,111.20-195,570,294,166.80-90,708,338,037.60

Finding the Fourth Proportional to 130,380,196,111.20, 195,570,294,166.80 and 90,708,338,037.60

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Solution

The fourth proportional to 130,380,196,111.20, 195,570,294,166.80 and 90,708,338,037.60 is: 136,062,507,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,196,111.20 : 195,570,294,166.80 = 90,708,338,037.60 : x
  2. Step 2: Convert to fraction form
    130,380,196,111.20/195,570,294,166.80 = 90,708,338,037.60/x
  3. Step 3: Cross multiply
    130,380,196,111.20x = 195,570,294,166.80 × 90,708,338,037.60
  4. Step 4: Simplify right side
    130,380,196,111.20x = 17,739,856,353,394,966,921,216
  5. Step 5: Solve for x
    x = 17,739,856,353,394,966,921,216/130,380,196,111.20
  6. Step 6: Final answer
    x = 136,062,507,056.40

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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.