Finding the Fourth Proportional to 165,724,456.68, 228,659,756.31 and 106,974,539.85
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Solution
The fourth proportional to 165,724,456.68, 228,659,756.31 and 106,974,539.85 is: 147,599,049.07
Step by Step Solution
- Step 1: Write the proportion equation
165,724,456.68 : 228,659,756.31 = 106,974,539.85 : x - Step 2: Convert to fraction form
165,724,456.68/228,659,756.31 = 106,974,539.85/x - Step 3: Cross multiply
165,724,456.68x = 228,659,756.31 × 106,974,539.85 - Step 4: Simplify right side
165,724,456.68x = 24,460,772,213,475,384 - Step 5: Solve for x
x = 24,460,772,213,475,384/165,724,456.68 - Step 6: Final answer
x = 147,599,049.07
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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.