Home / 151,640,994,008.23-209,271,149,808.39-83,975,584,226.30

Finding the Fourth Proportional to 151,640,994,008.23, 209,271,149,808.39 and 83,975,584,226.30

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Solution

The fourth proportional to 151,640,994,008.23, 209,271,149,808.39 and 83,975,584,226.30 is: 115,889,949,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640,994,008.23 : 209,271,149,808.39 = 83,975,584,226.30 : x
  2. Step 2: Convert to fraction form
    151,640,994,008.23/209,271,149,808.39 = 83,975,584,226.30/x
  3. Step 3: Cross multiply
    151,640,994,008.23x = 209,271,149,808.39 × 83,975,584,226.30
  4. Step 4: Simplify right side
    151,640,994,008.23x = 17,573,667,066,869,100,576,768
  5. Step 5: Solve for x
    x = 17,573,667,066,869,100,576,768/151,640,994,008.23
  6. Step 6: Final answer
    x = 115,889,949,032.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.