Home / 221,239,234.80-332,059,618.80-112,140,302.40

Finding the Fourth Proportional to 221,239,234.80, 332,059,618.80 and 112,140,302.40

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Solution

The fourth proportional to 221,239,234.80, 332,059,618.80 and 112,140,302.40 is: 168,312,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,239,234.80 : 332,059,618.80 = 112,140,302.40 : x
  2. Step 2: Convert to fraction form
    221,239,234.80/332,059,618.80 = 112,140,302.40/x
  3. Step 3: Cross multiply
    221,239,234.80x = 332,059,618.80 × 112,140,302.40
  4. Step 4: Simplify right side
    221,239,234.80x = 37,237,266,067,060,728
  5. Step 5: Solve for x
    x = 37,237,266,067,060,728/221,239,234.80
  6. Step 6: Final answer
    x = 168,312,216.87

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1.5x scale

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.