Home / 309,569,530.56-427,193,143.84-168,441,331.84

Finding the Fourth Proportional to 309,569,530.56, 427,193,143.84 and 168,441,331.84

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Solution

The fourth proportional to 309,569,530.56, 427,193,143.84 and 168,441,331.84 is: 232,442,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,569,530.56 : 427,193,143.84 = 168,441,331.84 : x
  2. Step 2: Convert to fraction form
    309,569,530.56/427,193,143.84 = 168,441,331.84/x
  3. Step 3: Cross multiply
    309,569,530.56x = 427,193,143.84 × 168,441,331.84
  4. Step 4: Simplify right side
    309,569,530.56x = 71,956,982,101,326,288
  5. Step 5: Solve for x
    x = 71,956,982,101,326,288/309,569,530.56
  6. Step 6: Final answer
    x = 232,442,068.74

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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.