Home / 290,274,274.56-435,436,492.80-80,184,887.04

Finding the Fourth Proportional to 290,274,274.56, 435,436,492.80 and 80,184,887.04

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Solution

The fourth proportional to 290,274,274.56, 435,436,492.80 and 80,184,887.04 is: 120,284,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,274,274.56 : 435,436,492.80 = 80,184,887.04 : x
  2. Step 2: Convert to fraction form
    290,274,274.56/435,436,492.80 = 80,184,887.04/x
  3. Step 3: Cross multiply
    290,274,274.56x = 435,436,492.80 × 80,184,887.04
  4. Step 4: Simplify right side
    290,274,274.56x = 34,915,425,988,261,776
  5. Step 5: Solve for x
    x = 34,915,425,988,261,776/290,274,274.56
  6. Step 6: Final answer
    x = 120,284,258.88

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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.