Finding the Fourth Proportional to 75,924,328.20, 114,068,178.09 and 48,683,990.94
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Solution
The fourth proportional to 75,924,328.20, 114,068,178.09 and 48,683,990.94 is: 73,142,486.48
Step by Step Solution
- Step 1: Write the proportion equation
75,924,328.20 : 114,068,178.09 = 48,683,990.94 : x - Step 2: Convert to fraction form
75,924,328.20/114,068,178.09 = 48,683,990.94/x - Step 3: Cross multiply
75,924,328.20x = 114,068,178.09 × 48,683,990.94 - Step 4: Simplify right side
75,924,328.20x = 5,553,294,148,675,866 - Step 5: Solve for x
x = 5,553,294,148,675,866/75,924,328.20 - Step 6: Final answer
x = 73,142,486.48
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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.