Finding the Fourth Proportional to 149,598,804.45, 206,465,394.06 and 86,862,413.10
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Solution
The fourth proportional to 149,598,804.45, 206,465,394.06 and 86,862,413.10 is: 119,881,187.66
Step by Step Solution
- Step 1: Write the proportion equation
149,598,804.45 : 206,465,394.06 = 86,862,413.10 : x - Step 2: Convert to fraction form
149,598,804.45/206,465,394.06 = 86,862,413.10/x - Step 3: Cross multiply
149,598,804.45x = 206,465,394.06 × 86,862,413.10 - Step 4: Simplify right side
149,598,804.45x = 17,934,082,349,694,006 - Step 5: Solve for x
x = 17,934,082,349,694,006/149,598,804.45 - Step 6: Final answer
x = 119,881,187.66
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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.