Home / 66,948,806.07-100,461,951.81-28,083,776.49

Finding the Fourth Proportional to 66,948,806.07, 100,461,951.81 and 28,083,776.49

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Solution

The fourth proportional to 66,948,806.07, 100,461,951.81 and 28,083,776.49 is: 42,141,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948,806.07 : 100,461,951.81 = 28,083,776.49 : x
  2. Step 2: Convert to fraction form
    66,948,806.07/100,461,951.81 = 28,083,776.49/x
  3. Step 3: Cross multiply
    66,948,806.07x = 100,461,951.81 × 28,083,776.49
  4. Step 4: Simplify right side
    66,948,806.07x = 2,821,351,000,381,191
  5. Step 5: Solve for x
    x = 2,821,351,000,381,191/66,948,806.07
  6. Step 6: Final answer
    x = 42,141,916.58

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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.