Finding the Fourth Proportional to 68,039,527.74, 102,058,999.42 and 18,855,239.84
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Solution
The fourth proportional to 68,039,527.74, 102,058,999.42 and 18,855,239.84 is: 28,282,778.79
Step by Step Solution
- Step 1: Write the proportion equation
68,039,527.74 : 102,058,999.42 = 18,855,239.84 : x - Step 2: Convert to fraction form
68,039,527.74/102,058,999.42 = 18,855,239.84/x - Step 3: Cross multiply
68,039,527.74x = 102,058,999.42 × 18,855,239.84 - Step 4: Simplify right side
68,039,527.74x = 1,924,346,911,894,521 - Step 5: Solve for x
x = 1,924,346,911,894,521/68,039,527.74 - Step 6: Final answer
x = 28,282,778.79
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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.