Finding the Fourth Proportional to 424,445,374.51, 636,737,164.70 and 125,344,554.08
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Solution
The fourth proportional to 424,445,374.51, 636,737,164.70 and 125,344,554.08 is: 188,037,238.17
Step by Step Solution
- Step 1: Write the proportion equation
424,445,374.51 : 636,737,164.70 = 125,344,554.08 : x - Step 2: Convert to fraction form
424,445,374.51/636,737,164.70 = 125,344,554.08/x - Step 3: Cross multiply
424,445,374.51x = 636,737,164.70 × 125,344,554.08 - Step 4: Simplify right side
424,445,374.51x = 79,811,535,976,450,144 - Step 5: Solve for x
x = 79,811,535,976,450,144/424,445,374.51 - Step 6: Final answer
x = 188,037,238.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.