Home / 64,282,643.05-96,449,515.19-20,570,136.64

Finding the Fourth Proportional to 64,282,643.05, 96,449,515.19 and 20,570,136.64

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Solution

The fourth proportional to 64,282,643.05, 96,449,515.19 and 20,570,136.64 is: 30,863,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282,643.05 : 96,449,515.19 = 20,570,136.64 : x
  2. Step 2: Convert to fraction form
    64,282,643.05/96,449,515.19 = 20,570,136.64/x
  3. Step 3: Cross multiply
    64,282,643.05x = 96,449,515.19 × 20,570,136.64
  4. Step 4: Simplify right side
    64,282,643.05x = 1,983,979,706,320,055.50
  5. Step 5: Solve for x
    x = 1,983,979,706,320,055.50/64,282,643.05
  6. Step 6: Final answer
    x = 30,863,381.03

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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.