Home / 202,133,768.63-278,945,441.15-109,314,276.46

Finding the Fourth Proportional to 202,133,768.63, 278,945,441.15 and 109,314,276.46

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Solution

The fourth proportional to 202,133,768.63, 278,945,441.15 and 109,314,276.46 is: 150,854,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,768.63 : 278,945,441.15 = 109,314,276.46 : x
  2. Step 2: Convert to fraction form
    202,133,768.63/278,945,441.15 = 109,314,276.46/x
  3. Step 3: Cross multiply
    202,133,768.63x = 278,945,441.15 × 109,314,276.46
  4. Step 4: Simplify right side
    202,133,768.63x = 30,492,719,069,883,824
  5. Step 5: Solve for x
    x = 30,492,719,069,883,824/202,133,768.63
  6. Step 6: Final answer
    x = 150,854,156.02

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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.