Home / 66,308,855.70-99,476,735.55-20,860,079.70

Finding the Fourth Proportional to 66,308,855.70, 99,476,735.55 and 20,860,079.70

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Solution

The fourth proportional to 66,308,855.70, 99,476,735.55 and 20,860,079.70 is: 31,294,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308,855.70 : 99,476,735.55 = 20,860,079.70 : x
  2. Step 2: Convert to fraction form
    66,308,855.70/99,476,735.55 = 20,860,079.70/x
  3. Step 3: Cross multiply
    66,308,855.70x = 99,476,735.55 × 20,860,079.70
  4. Step 4: Simplify right side
    66,308,855.70x = 2,075,092,631,868,823.25
  5. Step 5: Solve for x
    x = 2,075,092,631,868,823.25/66,308,855.70
  6. Step 6: Final answer
    x = 31,294,351.41

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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.