Finding the Fourth Proportional to 81,331,259.94, 122,000,813.58 and 26,742,636.96
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Solution
The fourth proportional to 81,331,259.94, 122,000,813.58 and 26,742,636.96 is: 40,115,245.59
Step by Step Solution
- Step 1: Write the proportion equation
81,331,259.94 : 122,000,813.58 = 26,742,636.96 : x - Step 2: Convert to fraction form
81,331,259.94/122,000,813.58 = 26,742,636.96/x - Step 3: Cross multiply
81,331,259.94x = 122,000,813.58 × 26,742,636.96 - Step 4: Simplify right side
81,331,259.94x = 3,262,623,466,394,578 - Step 5: Solve for x
x = 3,262,623,466,394,578/81,331,259.94 - Step 6: Final answer
x = 40,115,245.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.