Finding the Fourth Proportional to 238,021,796.76, 328,452,068.94 and 133,579,689.96
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Solution
The fourth proportional to 238,021,796.76, 328,452,068.94 and 133,579,689.96 is: 184,329,864.46
Step by Step Solution
- Step 1: Write the proportion equation
238,021,796.76 : 328,452,068.94 = 133,579,689.96 : x - Step 2: Convert to fraction form
238,021,796.76/328,452,068.94 = 133,579,689.96/x - Step 3: Cross multiply
238,021,796.76x = 328,452,068.94 × 133,579,689.96 - Step 4: Simplify right side
238,021,796.76x = 43,874,525,535,725,744 - Step 5: Solve for x
x = 43,874,525,535,725,744/238,021,796.76 - Step 6: Final answer
x = 184,329,864.46
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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.