Home / 66,705,249.24-100,075,124.88-39,062,511.72

Finding the Fourth Proportional to 66,705,249.24, 100,075,124.88 and 39,062,511.72

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Solution

The fourth proportional to 66,705,249.24, 100,075,124.88 and 39,062,511.72 is: 58,603,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,249.24 : 100,075,124.88 = 39,062,511.72 : x
  2. Step 2: Convert to fraction form
    66,705,249.24/100,075,124.88 = 39,062,511.72/x
  3. Step 3: Cross multiply
    66,705,249.24x = 100,075,124.88 × 39,062,511.72
  4. Step 4: Simplify right side
    66,705,249.24x = 3,909,185,738,505,463.50
  5. Step 5: Solve for x
    x = 3,909,185,738,505,463.50/66,705,249.24
  6. Step 6: Final answer
    x = 58,603,869.76

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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.