Home / 213,233,638.91-294,211,808.48-129,600,309.47

Finding the Fourth Proportional to 213,233,638.91, 294,211,808.48 and 129,600,309.47

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Solution

The fourth proportional to 213,233,638.91, 294,211,808.48 and 129,600,309.47 is: 178,817,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,233,638.91 : 294,211,808.48 = 129,600,309.47 : x
  2. Step 2: Convert to fraction form
    213,233,638.91/294,211,808.48 = 129,600,309.47/x
  3. Step 3: Cross multiply
    213,233,638.91x = 294,211,808.48 × 129,600,309.47
  4. Step 4: Simplify right side
    213,233,638.91x = 38,129,941,427,589,312
  5. Step 5: Solve for x
    x = 38,129,941,427,589,312/213,233,638.91
  6. Step 6: Final answer
    x = 178,817,665.09

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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.