Home / 309,569,532.56-427,193,146.60-168,441,333.84

Finding the Fourth Proportional to 309,569,532.56, 427,193,146.60 and 168,441,333.84

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Solution

The fourth proportional to 309,569,532.56, 427,193,146.60 and 168,441,333.84 is: 232,442,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,569,532.56 : 427,193,146.60 = 168,441,333.84 : x
  2. Step 2: Convert to fraction form
    309,569,532.56/427,193,146.60 = 168,441,333.84/x
  3. Step 3: Cross multiply
    309,569,532.56x = 427,193,146.60 × 168,441,333.84
  4. Step 4: Simplify right side
    309,569,532.56x = 71,956,983,420,610,664
  5. Step 5: Solve for x
    x = 71,956,983,420,610,664/309,569,532.56
  6. Step 6: Final answer
    x = 232,442,071.50

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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.