Home / 163,719,714,375.80-245,360,054,707.31-127,419,122,784.54

Finding the Fourth Proportional to 163,719,714,375.80, 245,360,054,707.31 and 127,419,122,784.54

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Solution

The fourth proportional to 163,719,714,375.80, 245,360,054,707.31 and 127,419,122,784.54 is: 190,957,839,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,719,714,375.80 : 245,360,054,707.31 = 127,419,122,784.54 : x
  2. Step 2: Convert to fraction form
    163,719,714,375.80/245,360,054,707.31 = 127,419,122,784.54/x
  3. Step 3: Cross multiply
    163,719,714,375.80x = 245,360,054,707.31 × 127,419,122,784.54
  4. Step 4: Simplify right side
    163,719,714,375.80x = 31,263,562,937,172,184,006,656
  5. Step 5: Solve for x
    x = 31,263,562,937,172,184,006,656/163,719,714,375.80
  6. Step 6: Final answer
    x = 190,957,839,478.09

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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.