Finding the Fourth Proportional to 159,760,606.24, 239,788,203.80 and 81,032,370.62
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Solution
The fourth proportional to 159,760,606.24, 239,788,203.80 and 81,032,370.62 is: 121,623,265.32
Step by Step Solution
- Step 1: Write the proportion equation
159,760,606.24 : 239,788,203.80 = 81,032,370.62 : x - Step 2: Convert to fraction form
159,760,606.24/239,788,203.80 = 81,032,370.62/x - Step 3: Cross multiply
159,760,606.24x = 239,788,203.80 × 81,032,370.62 - Step 4: Simplify right side
159,760,606.24x = 19,430,606,600,625,696 - Step 5: Solve for x
x = 19,430,606,600,625,696/159,760,606.24 - Step 6: Final answer
x = 121,623,265.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.