Finding the Fourth Proportional to 238,920,135.48, 329,726,357.98 and 144,838,247.98
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Solution
The fourth proportional to 238,920,135.48, 329,726,357.98 and 144,838,247.98 is: 199,886,827.90
Step by Step Solution
- Step 1: Write the proportion equation
238,920,135.48 : 329,726,357.98 = 144,838,247.98 : x - Step 2: Convert to fraction form
238,920,135.48/329,726,357.98 = 144,838,247.98/x - Step 3: Cross multiply
238,920,135.48x = 329,726,357.98 × 144,838,247.98 - Step 4: Simplify right side
238,920,135.48x = 47,756,988,001,925,304 - Step 5: Solve for x
x = 47,756,988,001,925,304/238,920,135.48 - Step 6: Final answer
x = 199,886,827.90
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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.