Finding the Fourth Proportional to 202,839,305.81, 279,915,495.23 and 113,531,223.44
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Solution
The fourth proportional to 202,839,305.81, 279,915,495.23 and 113,531,223.44 is: 156,671,550.94
Step by Step Solution
- Step 1: Write the proportion equation
202,839,305.81 : 279,915,495.23 = 113,531,223.44 : x - Step 2: Convert to fraction form
202,839,305.81/279,915,495.23 = 113,531,223.44/x - Step 3: Cross multiply
202,839,305.81x = 279,915,495.23 × 113,531,223.44 - Step 4: Simplify right side
202,839,305.81x = 31,779,148,633,938,840 - Step 5: Solve for x
x = 31,779,148,633,938,840/202,839,305.81 - Step 6: Final answer
x = 156,671,550.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.