Home / 82,210,149.70-123,289,409.63-26,865,364.59

Finding the Fourth Proportional to 82,210,149.70, 123,289,409.63 and 26,865,364.59

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Solution

The fourth proportional to 82,210,149.70, 123,289,409.63 and 26,865,364.59 is: 40,289,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210,149.70 : 123,289,409.63 = 26,865,364.59 : x
  2. Step 2: Convert to fraction form
    82,210,149.70/123,289,409.63 = 26,865,364.59/x
  3. Step 3: Cross multiply
    82,210,149.70x = 123,289,409.63 × 26,865,364.59
  4. Step 4: Simplify right side
    82,210,149.70x = 3,312,214,939,862,970
  5. Step 5: Solve for x
    x = 3,312,214,939,862,970/82,210,149.70
  6. Step 6: Final answer
    x = 40,289,610.86

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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.