Home / 43,123,432.40-64,685,148.60-30,967,211.60

Finding the Fourth Proportional to 43,123,432.40, 64,685,148.60 and 30,967,211.60

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Solution

The fourth proportional to 43,123,432.40, 64,685,148.60 and 30,967,211.60 is: 46,450,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123,432.40 : 64,685,148.60 = 30,967,211.60 : x
  2. Step 2: Convert to fraction form
    43,123,432.40/64,685,148.60 = 30,967,211.60/x
  3. Step 3: Cross multiply
    43,123,432.40x = 64,685,148.60 × 30,967,211.60
  4. Step 4: Simplify right side
    43,123,432.40x = 2,003,118,684,073,644
  5. Step 5: Solve for x
    x = 2,003,118,684,073,644/43,123,432.40
  6. Step 6: Final answer
    x = 46,450,817.40

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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.