Home / 66,705,812-100,075,968.96-39,063,074.24

Finding the Fourth Proportional to 66,705,812, 100,075,968.96 and 39,063,074.24

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Solution

The fourth proportional to 66,705,812, 100,075,968.96 and 39,063,074.24 is: 58,604,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,812 : 100,075,968.96 = 39,063,074.24 : x
  2. Step 2: Convert to fraction form
    66,705,812/100,075,968.96 = 39,063,074.24/x
  3. Step 3: Cross multiply
    66,705,812x = 100,075,968.96 × 39,063,074.24
  4. Step 4: Simplify right side
    66,705,812x = 3,909,275,005,124,415.50
  5. Step 5: Solve for x
    x = 3,909,275,005,124,415.50/66,705,812
  6. Step 6: Final answer
    x = 58,604,713.56

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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.