Home / 151,640,994,029.13-209,271,149,837.23-83,975,584,247.15

Finding the Fourth Proportional to 151,640,994,029.13, 209,271,149,837.23 and 83,975,584,247.15

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Solution

The fourth proportional to 151,640,994,029.13, 209,271,149,837.23 and 83,975,584,247.15 is: 115,889,949,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640,994,029.13 : 209,271,149,837.23 = 83,975,584,247.15 : x
  2. Step 2: Convert to fraction form
    151,640,994,029.13/209,271,149,837.23 = 83,975,584,247.15/x
  3. Step 3: Cross multiply
    151,640,994,029.13x = 209,271,149,837.23 × 83,975,584,247.15
  4. Step 4: Simplify right side
    151,640,994,029.13x = 17,573,667,073,653,215,330,304
  5. Step 5: Solve for x
    x = 17,573,667,073,653,215,330,304/151,640,994,029.13
  6. Step 6: Final answer
    x = 115,889,949,061.38

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Double scale
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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.