Home / 63,140,716.36-94,713,731.88-20,011,621.60

Finding the Fourth Proportional to 63,140,716.36, 94,713,731.88 and 20,011,621.60

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Solution

The fourth proportional to 63,140,716.36, 94,713,731.88 and 20,011,621.60 is: 30,018,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140,716.36 : 94,713,731.88 = 20,011,621.60 : x
  2. Step 2: Convert to fraction form
    63,140,716.36/94,713,731.88 = 20,011,621.60/x
  3. Step 3: Cross multiply
    63,140,716.36x = 94,713,731.88 × 20,011,621.60
  4. Step 4: Simplify right side
    63,140,716.36x = 1,895,375,362,706,416.75
  5. Step 5: Solve for x
    x = 1,895,375,362,706,416.75/63,140,716.36
  6. Step 6: Final answer
    x = 30,018,274.61

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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.