Home / 66,308,832.20-99,476,700.30-20,860,056.20

Finding the Fourth Proportional to 66,308,832.20, 99,476,700.30 and 20,860,056.20

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Solution

The fourth proportional to 66,308,832.20, 99,476,700.30 and 20,860,056.20 is: 31,294,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308,832.20 : 99,476,700.30 = 20,860,056.20 : x
  2. Step 2: Convert to fraction form
    66,308,832.20/99,476,700.30 = 20,860,056.20/x
  3. Step 3: Cross multiply
    66,308,832.20x = 99,476,700.30 × 20,860,056.20
  4. Step 4: Simplify right side
    66,308,832.20x = 2,075,089,558,848,556.75
  5. Step 5: Solve for x
    x = 2,075,089,558,848,556.75/66,308,832.20
  6. Step 6: Final answer
    x = 31,294,316.16

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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.