Home / 208,443,893.52-312,668,501.22-55,088,625

Finding the Fourth Proportional to 208,443,893.52, 312,668,501.22 and 55,088,625

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Solution

The fourth proportional to 208,443,893.52, 312,668,501.22 and 55,088,625 is: 82,633,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,893.52 : 312,668,501.22 = 55,088,625 : x
  2. Step 2: Convert to fraction form
    208,443,893.52/312,668,501.22 = 55,088,625/x
  3. Step 3: Cross multiply
    208,443,893.52x = 312,668,501.22 × 55,088,625
  4. Step 4: Simplify right side
    208,443,893.52x = 17,224,477,813,020,624
  5. Step 5: Solve for x
    x = 17,224,477,813,020,624/208,443,893.52
  6. Step 6: Final answer
    x = 82,633,640.75

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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.