Home / 163,719,714,376.30-245,360,054,708.07-127,419,122,785.05

Finding the Fourth Proportional to 163,719,714,376.30, 245,360,054,708.07 and 127,419,122,785.05

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Solution

The fourth proportional to 163,719,714,376.30, 245,360,054,708.07 and 127,419,122,785.05 is: 190,957,839,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,719,714,376.30 : 245,360,054,708.07 = 127,419,122,785.05 : x
  2. Step 2: Convert to fraction form
    163,719,714,376.30/245,360,054,708.07 = 127,419,122,785.05/x
  3. Step 3: Cross multiply
    163,719,714,376.30x = 245,360,054,708.07 × 127,419,122,785.05
  4. Step 4: Simplify right side
    163,719,714,376.30x = 31,263,562,937,394,159,157,248
  5. Step 5: Solve for x
    x = 31,263,562,937,394,159,157,248/163,719,714,376.30
  6. Step 6: Final answer
    x = 190,957,839,478.86

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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.