Finding the Fourth Proportional to 124,893,244.69, 172,354,718.18 and 68,377,047.75
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Solution
The fourth proportional to 124,893,244.69, 172,354,718.18 and 68,377,047.75 is: 94,361,443.04
Step by Step Solution
- Step 1: Write the proportion equation
124,893,244.69 : 172,354,718.18 = 68,377,047.75 : x - Step 2: Convert to fraction form
124,893,244.69/172,354,718.18 = 68,377,047.75/x - Step 3: Cross multiply
124,893,244.69x = 172,354,718.18 × 68,377,047.75 - Step 4: Simplify right side
124,893,244.69x = 11,785,106,794,931,654 - Step 5: Solve for x
x = 11,785,106,794,931,654/124,893,244.69 - Step 6: Final answer
x = 94,361,443.04
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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.