Finding the Fourth Proportional to 213,516,593.84, 294,653,331.32 and 115,731,516.08
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Solution
The fourth proportional to 213,516,593.84, 294,653,331.32 and 115,731,516.08 is: 159,709,726.25
Step by Step Solution
- Step 1: Write the proportion equation
213,516,593.84 : 294,653,331.32 = 115,731,516.08 : x - Step 2: Convert to fraction form
213,516,593.84/294,653,331.32 = 115,731,516.08/x - Step 3: Cross multiply
213,516,593.84x = 294,653,331.32 × 115,731,516.08 - Step 4: Simplify right side
213,516,593.84x = 34,100,676,751,686,148 - Step 5: Solve for x
x = 34,100,676,751,686,148/213,516,593.84 - Step 6: Final answer
x = 159,709,726.25
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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.