Home / 74,430,329.70-111,678,672.15-34,020,012.90

Finding the Fourth Proportional to 74,430,329.70, 111,678,672.15 and 34,020,012.90

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Solution

The fourth proportional to 74,430,329.70, 111,678,672.15 and 34,020,012.90 is: 51,045,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430,329.70 : 111,678,672.15 = 34,020,012.90 : x
  2. Step 2: Convert to fraction form
    74,430,329.70/111,678,672.15 = 34,020,012.90/x
  3. Step 3: Cross multiply
    74,430,329.70x = 111,678,672.15 × 34,020,012.90
  4. Step 4: Simplify right side
    74,430,329.70x = 3,799,309,867,197,871
  5. Step 5: Solve for x
    x = 3,799,309,867,197,871/74,430,329.70
  6. Step 6: Final answer
    x = 51,045,183.90

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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.