Finding the Fourth Proportional to 136,961,714.22, 189,006,472.62 and 74,237,559.54
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Solution
The fourth proportional to 136,961,714.22, 189,006,472.62 and 74,237,559.54 is: 102,447,456.54
Step by Step Solution
- Step 1: Write the proportion equation
136,961,714.22 : 189,006,472.62 = 74,237,559.54 : x - Step 2: Convert to fraction form
136,961,714.22/189,006,472.62 = 74,237,559.54/x - Step 3: Cross multiply
136,961,714.22x = 189,006,472.62 × 74,237,559.54 - Step 4: Simplify right side
136,961,714.22x = 14,031,379,264,572,632 - Step 5: Solve for x
x = 14,031,379,264,572,632/136,961,714.22 - Step 6: Final answer
x = 102,447,456.54
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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.