Home / 223,112,336.34-333,641,122.10-212,228,424.66

Finding the Fourth Proportional to 223,112,336.34, 333,641,122.10 and 212,228,424.66

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Solution

The fourth proportional to 223,112,336.34, 333,641,122.10 and 212,228,424.66 is: 317,365,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,112,336.34 : 333,641,122.10 = 212,228,424.66 : x
  2. Step 2: Convert to fraction form
    223,112,336.34/333,641,122.10 = 212,228,424.66/x
  3. Step 3: Cross multiply
    223,112,336.34x = 333,641,122.10 × 212,228,424.66
  4. Step 4: Simplify right side
    223,112,336.34x = 70,808,129,745,077,712
  5. Step 5: Solve for x
    x = 70,808,129,745,077,712/223,112,336.34
  6. Step 6: Final answer
    x = 317,365,372.56

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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.