Finding the Fourth Proportional to 71,765,925.96, 107,696,433.42 and 39,440,402.76
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Solution
The fourth proportional to 71,765,925.96, 107,696,433.42 and 39,440,402.76 is: 59,186,733.16
Step by Step Solution
- Step 1: Write the proportion equation
71,765,925.96 : 107,696,433.42 = 39,440,402.76 : x - Step 2: Convert to fraction form
71,765,925.96/107,696,433.42 = 39,440,402.76/x - Step 3: Cross multiply
71,765,925.96x = 107,696,433.42 × 39,440,402.76 - Step 4: Simplify right side
71,765,925.96x = 4,247,590,709,900,324 - Step 5: Solve for x
x = 4,247,590,709,900,324/71,765,925.96 - Step 6: Final answer
x = 59,186,733.16
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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.