Home / 217,735,121.40-326,602,682.10-196,236,036.60

Finding the Fourth Proportional to 217,735,121.40, 326,602,682.10 and 196,236,036.60

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Solution

The fourth proportional to 217,735,121.40, 326,602,682.10 and 196,236,036.60 is: 294,354,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,121.40 : 326,602,682.10 = 196,236,036.60 : x
  2. Step 2: Convert to fraction form
    217,735,121.40/326,602,682.10 = 196,236,036.60/x
  3. Step 3: Cross multiply
    217,735,121.40x = 326,602,682.10 × 196,236,036.60
  4. Step 4: Simplify right side
    217,735,121.40x = 64,091,215,878,233,768
  5. Step 5: Solve for x
    x = 64,091,215,878,233,768/217,735,121.40
  6. Step 6: Final answer
    x = 294,354,054.90

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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.