Finding the Fourth Proportional to 146,779,241.20, 202,543,372.88 and 86,418,707.52
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Solution
The fourth proportional to 146,779,241.20, 202,543,372.88 and 86,418,707.52 is: 119,250,762.97
Step by Step Solution
- Step 1: Write the proportion equation
146,779,241.20 : 202,543,372.88 = 86,418,707.52 : x - Step 2: Convert to fraction form
146,779,241.20/202,543,372.88 = 86,418,707.52/x - Step 3: Cross multiply
146,779,241.20x = 202,543,372.88 × 86,418,707.52 - Step 4: Simplify right side
146,779,241.20x = 17,503,536,501,031,018 - Step 5: Solve for x
x = 17,503,536,501,031,018/146,779,241.20 - Step 6: Final answer
x = 119,250,762.97
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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.