Home / 155,060,441.16-213,984,843.88-85,448,313.24

Finding the Fourth Proportional to 155,060,441.16, 213,984,843.88 and 85,448,313.24

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Solution

The fourth proportional to 155,060,441.16, 213,984,843.88 and 85,448,313.24 is: 117,919,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,441.16 : 213,984,843.88 = 85,448,313.24 : x
  2. Step 2: Convert to fraction form
    155,060,441.16/213,984,843.88 = 85,448,313.24/x
  3. Step 3: Cross multiply
    155,060,441.16x = 213,984,843.88 × 85,448,313.24
  4. Step 4: Simplify right side
    155,060,441.16x = 18,284,643,968,470,736
  5. Step 5: Solve for x
    x = 18,284,643,968,470,736/155,060,441.16
  6. Step 6: Final answer
    x = 117,919,463.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.