Home / 29,105,255.25-43,688,164.05-21,437,558.19

Finding the Fourth Proportional to 29,105,255.25, 43,688,164.05 and 21,437,558.19

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Solution

The fourth proportional to 29,105,255.25, 43,688,164.05 and 21,437,558.19 is: 32,178,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105,255.25 : 43,688,164.05 = 21,437,558.19 : x
  2. Step 2: Convert to fraction form
    29,105,255.25/43,688,164.05 = 21,437,558.19/x
  3. Step 3: Cross multiply
    29,105,255.25x = 43,688,164.05 × 21,437,558.19
  4. Step 4: Simplify right side
    29,105,255.25x = 936,567,559,036,141.12
  5. Step 5: Solve for x
    x = 936,567,559,036,141.12/29,105,255.25
  6. Step 6: Final answer
    x = 32,178,640.97

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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.