Home / 130,380,195,655.20-195,570,293,482.80-90,708,337,581.60

Finding the Fourth Proportional to 130,380,195,655.20, 195,570,293,482.80 and 90,708,337,581.60

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Solution

The fourth proportional to 130,380,195,655.20, 195,570,293,482.80 and 90,708,337,581.60 is: 136,062,506,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,195,655.20 : 195,570,293,482.80 = 90,708,337,581.60 : x
  2. Step 2: Convert to fraction form
    130,380,195,655.20/195,570,293,482.80 = 90,708,337,581.60/x
  3. Step 3: Cross multiply
    130,380,195,655.20x = 195,570,293,482.80 × 90,708,337,581.60
  4. Step 4: Simplify right side
    130,380,195,655.20x = 17,739,856,202,170,407,845,888
  5. Step 5: Solve for x
    x = 17,739,856,202,170,407,845,888/130,380,195,655.20
  6. Step 6: Final answer
    x = 136,062,506,372.40

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Similar ratio
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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.