Finding the Fourth Proportional to 163,815,234.21, 226,063,534.93 and 89,475,779.29
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Solution
The fourth proportional to 163,815,234.21, 226,063,534.93 and 89,475,779.29 is: 123,475,762.52
Step by Step Solution
- Step 1: Write the proportion equation
163,815,234.21 : 226,063,534.93 = 89,475,779.29 : x - Step 2: Convert to fraction form
163,815,234.21/226,063,534.93 = 89,475,779.29/x - Step 3: Cross multiply
163,815,234.21x = 226,063,534.93 × 89,475,779.29 - Step 4: Simplify right side
163,815,234.21x = 20,227,210,956,913,888 - Step 5: Solve for x
x = 20,227,210,956,913,888/163,815,234.21 - Step 6: Final answer
x = 123,475,762.52
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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.