Finding the Fourth Proportional to 165,042,288.50, 227,763,818.73 and 90,705,483.99
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Solution
The fourth proportional to 165,042,288.50, 227,763,818.73 and 90,705,483.99 is: 125,176,569.00
Step by Step Solution
- Step 1: Write the proportion equation
165,042,288.50 : 227,763,818.73 = 90,705,483.99 : x - Step 2: Convert to fraction form
165,042,288.50/227,763,818.73 = 90,705,483.99/x - Step 3: Cross multiply
165,042,288.50x = 227,763,818.73 × 90,705,483.99 - Step 4: Simplify right side
165,042,288.50x = 20,659,427,413,315,276 - Step 5: Solve for x
x = 20,659,427,413,315,276/165,042,288.50 - Step 6: Final answer
x = 125,176,569.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.