Home / 130,380,195,910.70-195,570,293,866.05-90,708,337,837.10

Finding the Fourth Proportional to 130,380,195,910.70, 195,570,293,866.05 and 90,708,337,837.10

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Solution

The fourth proportional to 130,380,195,910.70, 195,570,293,866.05 and 90,708,337,837.10 is: 136,062,506,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,195,910.70 : 195,570,293,866.05 = 90,708,337,837.10 : x
  2. Step 2: Convert to fraction form
    130,380,195,910.70/195,570,293,866.05 = 90,708,337,837.10/x
  3. Step 3: Cross multiply
    130,380,195,910.70x = 195,570,293,866.05 × 90,708,337,837.10
  4. Step 4: Simplify right side
    130,380,195,910.70x = 17,739,856,286,902,590,111,744
  5. Step 5: Solve for x
    x = 17,739,856,286,902,590,111,744/130,380,195,910.70
  6. Step 6: Final answer
    x = 136,062,506,755.65

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Double scale
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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.