Home / 215,366,985.40-323,097,717.30-106,244,433.40

Finding the Fourth Proportional to 215,366,985.40, 323,097,717.30 and 106,244,433.40

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Solution

The fourth proportional to 215,366,985.40, 323,097,717.30 and 106,244,433.40 is: 159,389,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,366,985.40 : 323,097,717.30 = 106,244,433.40 : x
  2. Step 2: Convert to fraction form
    215,366,985.40/323,097,717.30 = 106,244,433.40/x
  3. Step 3: Cross multiply
    215,366,985.40x = 323,097,717.30 × 106,244,433.40
  4. Step 4: Simplify right side
    215,366,985.40x = 34,327,333,907,371,880
  5. Step 5: Solve for x
    x = 34,327,333,907,371,880/215,366,985.40
  6. Step 6: Final answer
    x = 159,389,954.05

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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.