Home / 56,634,361.80-84,984,720.30-20,736,198.60

Finding the Fourth Proportional to 56,634,361.80, 84,984,720.30 and 20,736,198.60

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Solution

The fourth proportional to 56,634,361.80, 84,984,720.30 and 20,736,198.60 is: 31,116,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,361.80 : 84,984,720.30 = 20,736,198.60 : x
  2. Step 2: Convert to fraction form
    56,634,361.80/84,984,720.30 = 20,736,198.60/x
  3. Step 3: Cross multiply
    56,634,361.80x = 84,984,720.30 × 20,736,198.60
  4. Step 4: Simplify right side
    56,634,361.80x = 1,762,260,038,106,251.75
  5. Step 5: Solve for x
    x = 1,762,260,038,106,251.75/56,634,361.80
  6. Step 6: Final answer
    x = 31,116,445.60

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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.