Home / 236,196,642.90-354,294,964.35-221,080,098.90

Finding the Fourth Proportional to 236,196,642.90, 354,294,964.35 and 221,080,098.90

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Solution

The fourth proportional to 236,196,642.90, 354,294,964.35 and 221,080,098.90 is: 331,620,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,642.90 : 354,294,964.35 = 221,080,098.90 : x
  2. Step 2: Convert to fraction form
    236,196,642.90/354,294,964.35 = 221,080,098.90/x
  3. Step 3: Cross multiply
    236,196,642.90x = 354,294,964.35 × 221,080,098.90
  4. Step 4: Simplify right side
    236,196,642.90x = 78,327,565,758,269,984
  5. Step 5: Solve for x
    x = 78,327,565,758,269,984/236,196,642.90
  6. Step 6: Final answer
    x = 331,620,148.35

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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.