Finding the Fourth Proportional to 188,972,327.07, 260,781,809.19 and 102,052,199.07
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Solution
The fourth proportional to 188,972,327.07, 260,781,809.19 and 102,052,199.07 is: 140,832,033.55
Step by Step Solution
- Step 1: Write the proportion equation
188,972,327.07 : 260,781,809.19 = 102,052,199.07 : x - Step 2: Convert to fraction form
188,972,327.07/260,781,809.19 = 102,052,199.07/x - Step 3: Cross multiply
188,972,327.07x = 260,781,809.19 × 102,052,199.07 - Step 4: Simplify right side
188,972,327.07x = 26,613,357,105,292,632 - Step 5: Solve for x
x = 26,613,357,105,292,632/188,972,327.07 - Step 6: Final answer
x = 140,832,033.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.