Finding the Fourth Proportional to 172,402,223.69, 237,920,112.64 and 94,090,799.99
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Solution
The fourth proportional to 172,402,223.69, 237,920,112.64 and 94,090,799.99 is: 129,848,056.79
Step by Step Solution
- Step 1: Write the proportion equation
172,402,223.69 : 237,920,112.64 = 94,090,799.99 : x - Step 2: Convert to fraction form
172,402,223.69/237,920,112.64 = 94,090,799.99/x - Step 3: Cross multiply
172,402,223.69x = 237,920,112.64 × 94,090,799.99 - Step 4: Simplify right side
172,402,223.69x = 22,386,093,732,720,928 - Step 5: Solve for x
x = 22,386,093,732,720,928/172,402,223.69 - Step 6: Final answer
x = 129,848,056.79
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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.