Home / 264,601,142.55-396,875,852.19-80,370,218.52

Finding the Fourth Proportional to 264,601,142.55, 396,875,852.19 and 80,370,218.52

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Solution

The fourth proportional to 264,601,142.55, 396,875,852.19 and 80,370,218.52 is: 120,547,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,601,142.55 : 396,875,852.19 = 80,370,218.52 : x
  2. Step 2: Convert to fraction form
    264,601,142.55/396,875,852.19 = 80,370,218.52/x
  3. Step 3: Cross multiply
    264,601,142.55x = 396,875,852.19 × 80,370,218.52
  4. Step 4: Simplify right side
    264,601,142.55x = 31,896,998,965,821,520
  5. Step 5: Solve for x
    x = 31,896,998,965,821,520/264,601,142.55
  6. Step 6: Final answer
    x = 120,547,472.54

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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.