Home / 147,104,937.06-203,004,803.52-85,261,148.16

Finding the Fourth Proportional to 147,104,937.06, 203,004,803.52 and 85,261,148.16

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Solution

The fourth proportional to 147,104,937.06, 203,004,803.52 and 85,261,148.16 is: 117,660,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,937.06 : 203,004,803.52 = 85,261,148.16 : x
  2. Step 2: Convert to fraction form
    147,104,937.06/203,004,803.52 = 85,261,148.16/x
  3. Step 3: Cross multiply
    147,104,937.06x = 203,004,803.52 × 85,261,148.16
  4. Step 4: Simplify right side
    147,104,937.06x = 17,308,422,630,110,410
  5. Step 5: Solve for x
    x = 17,308,422,630,110,410/147,104,937.06
  6. Step 6: Final answer
    x = 117,660,378.88

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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.