Finding the Fourth Proportional to 136,897,125.18, 188,927,301.62 and 77,337,764.23
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Solution
The fourth proportional to 136,897,125.18, 188,927,301.62 and 77,337,764.23 is: 106,731,350.93
Step by Step Solution
- Step 1: Write the proportion equation
136,897,125.18 : 188,927,301.62 = 77,337,764.23 : x - Step 2: Convert to fraction form
136,897,125.18/188,927,301.62 = 77,337,764.23/x - Step 3: Cross multiply
136,897,125.18x = 188,927,301.62 × 77,337,764.23 - Step 4: Simplify right side
136,897,125.18x = 14,611,215,108,353,020 - Step 5: Solve for x
x = 14,611,215,108,353,020/136,897,125.18 - Step 6: Final answer
x = 106,731,350.93
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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.