Finding the Fourth Proportional to 188,972,325.06, 260,781,806.44 and 102,052,197.06
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Solution
The fourth proportional to 188,972,325.06, 260,781,806.44 and 102,052,197.06 is: 140,832,030.79
Step by Step Solution
- Step 1: Write the proportion equation
188,972,325.06 : 260,781,806.44 = 102,052,197.06 : x - Step 2: Convert to fraction form
188,972,325.06/260,781,806.44 = 102,052,197.06/x - Step 3: Cross multiply
188,972,325.06x = 260,781,806.44 × 102,052,197.06 - Step 4: Simplify right side
188,972,325.06x = 26,613,356,300,477,656 - Step 5: Solve for x
x = 26,613,356,300,477,656/188,972,325.06 - Step 6: Final answer
x = 140,832,030.79
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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.