Finding the Fourth Proportional to 213,124,606.84, 294,111,954.60 and 115,339,462.84
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Solution
The fourth proportional to 213,124,606.84, 294,111,954.60 and 115,339,462.84 is: 159,168,457.18
Step by Step Solution
- Step 1: Write the proportion equation
213,124,606.84 : 294,111,954.60 = 115,339,462.84 : x - Step 2: Convert to fraction form
213,124,606.84/294,111,954.60 = 115,339,462.84/x - Step 3: Cross multiply
213,124,606.84x = 294,111,954.60 × 115,339,462.84 - Step 4: Simplify right side
213,124,606.84x = 33,922,714,858,386,472 - Step 5: Solve for x
x = 33,922,714,858,386,472/213,124,606.84 - Step 6: Final answer
x = 159,168,457.18
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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.