Finding the Fourth Proportional to 188,972,335.68, 260,781,821.10 and 102,052,207.68
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Solution
The fourth proportional to 188,972,335.68, 260,781,821.10 and 102,052,207.68 is: 140,832,045.44
Step by Step Solution
- Step 1: Write the proportion equation
188,972,335.68 : 260,781,821.10 = 102,052,207.68 : x - Step 2: Convert to fraction form
188,972,335.68/260,781,821.10 = 102,052,207.68/x - Step 3: Cross multiply
188,972,335.68x = 260,781,821.10 × 102,052,207.68 - Step 4: Simplify right side
188,972,335.68x = 26,613,360,566,065,808 - Step 5: Solve for x
x = 26,613,360,566,065,808/188,972,335.68 - Step 6: Final answer
x = 140,832,045.44
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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.