Home / 72,833,883.93-100,509,586.71-39,793,423.41

Finding the Fourth Proportional to 72,833,883.93, 100,509,586.71 and 39,793,423.41

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Solution

The fourth proportional to 72,833,883.93, 100,509,586.71 and 39,793,423.41 is: 54,914,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,883.93 : 100,509,586.71 = 39,793,423.41 : x
  2. Step 2: Convert to fraction form
    72,833,883.93/100,509,586.71 = 39,793,423.41/x
  3. Step 3: Cross multiply
    72,833,883.93x = 100,509,586.71 × 39,793,423.41
  4. Step 4: Simplify right side
    72,833,883.93x = 3,999,620,540,715,138.50
  5. Step 5: Solve for x
    x = 3,999,620,540,715,138.50/72,833,883.93
  6. Step 6: Final answer
    x = 54,914,283.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.