Finding the Fourth Proportional to 199,552,583.70, 299,328,875.55 and 165,960,263.70
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Solution
The fourth proportional to 199,552,583.70, 299,328,875.55 and 165,960,263.70 is: 248,940,395.55
Step by Step Solution
- Step 1: Write the proportion equation
199,552,583.70 : 299,328,875.55 = 165,960,263.70 : x - Step 2: Convert to fraction form
199,552,583.70/299,328,875.55 = 165,960,263.70/x - Step 3: Cross multiply
199,552,583.70x = 299,328,875.55 × 165,960,263.70 - Step 4: Simplify right side
199,552,583.70x = 49,676,699,119,302,480 - Step 5: Solve for x
x = 49,676,699,119,302,480/199,552,583.70 - Step 6: Final answer
x = 248,940,395.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.