Home / 163,719,714,374.80-245,360,054,705.82-127,419,122,783.54

Finding the Fourth Proportional to 163,719,714,374.80, 245,360,054,705.82 and 127,419,122,783.54

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Solution

The fourth proportional to 163,719,714,374.80, 245,360,054,705.82 and 127,419,122,783.54 is: 190,957,839,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,719,714,374.80 : 245,360,054,705.82 = 127,419,122,783.54 : x
  2. Step 2: Convert to fraction form
    163,719,714,374.80/245,360,054,705.82 = 127,419,122,783.54/x
  3. Step 3: Cross multiply
    163,719,714,374.80x = 245,360,054,705.82 × 127,419,122,783.54
  4. Step 4: Simplify right side
    163,719,714,374.80x = 31,263,562,936,736,970,440,704
  5. Step 5: Solve for x
    x = 31,263,562,936,736,970,440,704/163,719,714,374.80
  6. Step 6: Final answer
    x = 190,957,839,476.60

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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.