Home / 151,640,994,014.24-209,271,149,816.70-83,975,584,232.32

Finding the Fourth Proportional to 151,640,994,014.24, 209,271,149,816.70 and 83,975,584,232.32

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Solution

The fourth proportional to 151,640,994,014.24, 209,271,149,816.70 and 83,975,584,232.32 is: 115,889,949,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640,994,014.24 : 209,271,149,816.70 = 83,975,584,232.32 : x
  2. Step 2: Convert to fraction form
    151,640,994,014.24/209,271,149,816.70 = 83,975,584,232.32/x
  3. Step 3: Cross multiply
    151,640,994,014.24x = 209,271,149,816.70 × 83,975,584,232.32
  4. Step 4: Simplify right side
    151,640,994,014.24x = 17,573,667,068,826,752,122,880
  5. Step 5: Solve for x
    x = 17,573,667,068,826,752,122,880/151,640,994,014.24
  6. Step 6: Final answer
    x = 115,889,949,040.93

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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.