Finding the Fourth Proportional to 239,430,201.13, 330,413,531.43 and 129,421,914.13
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Solution
The fourth proportional to 239,430,201.13, 330,413,531.43 and 129,421,914.13 is: 178,602,162.51
Step by Step Solution
- Step 1: Write the proportion equation
239,430,201.13 : 330,413,531.43 = 129,421,914.13 : x - Step 2: Convert to fraction form
239,430,201.13/330,413,531.43 = 129,421,914.13/x - Step 3: Cross multiply
239,430,201.13x = 330,413,531.43 × 129,421,914.13 - Step 4: Simplify right side
239,430,201.13x = 42,762,751,692,123,512 - Step 5: Solve for x
x = 42,762,751,692,123,512/239,430,201.13 - Step 6: Final answer
x = 178,602,162.51
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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.