Home / 74,303,381.70-111,455,072.55-19,715,861.70

Finding the Fourth Proportional to 74,303,381.70, 111,455,072.55 and 19,715,861.70

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Solution

The fourth proportional to 74,303,381.70, 111,455,072.55 and 19,715,861.70 is: 29,573,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303,381.70 : 111,455,072.55 = 19,715,861.70 : x
  2. Step 2: Convert to fraction form
    74,303,381.70/111,455,072.55 = 19,715,861.70/x
  3. Step 3: Cross multiply
    74,303,381.70x = 111,455,072.55 × 19,715,861.70
  4. Step 4: Simplify right side
    74,303,381.70x = 2,197,432,796,159,266.25
  5. Step 5: Solve for x
    x = 2,197,432,796,159,266.25/74,303,381.70
  6. Step 6: Final answer
    x = 29,573,792.55

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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.