Finding the Fourth Proportional to 90,276,799.58, 124,579,875.11 and 53,109,472.99
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Solution
The fourth proportional to 90,276,799.58, 124,579,875.11 and 53,109,472.99 is: 73,289,832.42
Step by Step Solution
- Step 1: Write the proportion equation
90,276,799.58 : 124,579,875.11 = 53,109,472.99 : x - Step 2: Convert to fraction form
90,276,799.58/124,579,875.11 = 53,109,472.99/x - Step 3: Cross multiply
90,276,799.58x = 124,579,875.11 × 53,109,472.99 - Step 4: Simplify right side
90,276,799.58x = 6,616,371,512,252,119 - Step 5: Solve for x
x = 6,616,371,512,252,119/90,276,799.58 - Step 6: Final answer
x = 73,289,832.42
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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.