Home / 151,640,994,015.61-209,271,149,818.61-83,975,584,233.66

Finding the Fourth Proportional to 151,640,994,015.61, 209,271,149,818.61 and 83,975,584,233.66

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Solution

The fourth proportional to 151,640,994,015.61, 209,271,149,818.61 and 83,975,584,233.66 is: 115,889,949,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640,994,015.61 : 209,271,149,818.61 = 83,975,584,233.66 : x
  2. Step 2: Convert to fraction form
    151,640,994,015.61/209,271,149,818.61 = 83,975,584,233.66/x
  3. Step 3: Cross multiply
    151,640,994,015.61x = 209,271,149,818.61 × 83,975,584,233.66
  4. Step 4: Simplify right side
    151,640,994,015.61x = 17,573,667,069,266,518,605,824
  5. Step 5: Solve for x
    x = 17,573,667,069,266,518,605,824/151,640,994,015.61
  6. Step 6: Final answer
    x = 115,889,949,042.79

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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.