Home / 130,380,195,930.20-195,570,293,895.30-90,708,337,856.60

Finding the Fourth Proportional to 130,380,195,930.20, 195,570,293,895.30 and 90,708,337,856.60

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Solution

The fourth proportional to 130,380,195,930.20, 195,570,293,895.30 and 90,708,337,856.60 is: 136,062,506,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,195,930.20 : 195,570,293,895.30 = 90,708,337,856.60 : x
  2. Step 2: Convert to fraction form
    130,380,195,930.20/195,570,293,895.30 = 90,708,337,856.60/x
  3. Step 3: Cross multiply
    130,380,195,930.20x = 195,570,293,895.30 × 90,708,337,856.60
  4. Step 4: Simplify right side
    130,380,195,930.20x = 17,739,856,293,369,428,836,352
  5. Step 5: Solve for x
    x = 17,739,856,293,369,428,836,352/130,380,195,930.20
  6. Step 6: Final answer
    x = 136,062,506,784.90

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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.