Home / 213,129,871.83-294,116,118.53-119,045,357.55

Finding the Fourth Proportional to 213,129,871.83, 294,116,118.53 and 119,045,357.55

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Solution

The fourth proportional to 213,129,871.83, 294,116,118.53 and 119,045,357.55 is: 164,280,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,129,871.83 : 294,116,118.53 = 119,045,357.55 : x
  2. Step 2: Convert to fraction form
    213,129,871.83/294,116,118.53 = 119,045,357.55/x
  3. Step 3: Cross multiply
    213,129,871.83x = 294,116,118.53 × 119,045,357.55
  4. Step 4: Simplify right side
    213,129,871.83x = 35,013,158,491,919,648
  5. Step 5: Solve for x
    x = 35,013,158,491,919,648/213,129,871.83
  6. Step 6: Final answer
    x = 164,280,859.32

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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.