Finding the Fourth Proportional to 253,266,896.36, 349,726,442.79 and 159,337,605.93
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Solution
The fourth proportional to 253,266,896.36, 349,726,442.79 and 159,337,605.93 is: 220,023,125.51
Step by Step Solution
- Step 1: Write the proportion equation
253,266,896.36 : 349,726,442.79 = 159,337,605.93 : x - Step 2: Convert to fraction form
253,266,896.36/349,726,442.79 = 159,337,605.93/x - Step 3: Cross multiply
253,266,896.36x = 349,726,442.79 × 159,337,605.93 - Step 4: Simplify right side
253,266,896.36x = 55,724,574,125,535,456 - Step 5: Solve for x
x = 55,724,574,125,535,456/253,266,896.36 - Step 6: Final answer
x = 220,023,125.51
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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.