Finding the Fourth Proportional to 121,442,090.79, 182,163,669.78 and 38,444,251.08
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Solution
The fourth proportional to 121,442,090.79, 182,163,669.78 and 38,444,251.08 is: 57,666,545.54
Step by Step Solution
- Step 1: Write the proportion equation
121,442,090.79 : 182,163,669.78 = 38,444,251.08 : x - Step 2: Convert to fraction form
121,442,090.79/182,163,669.78 = 38,444,251.08/x - Step 3: Cross multiply
121,442,090.79x = 182,163,669.78 × 38,444,251.08 - Step 4: Simplify right side
121,442,090.79x = 7,003,145,858,676,528 - Step 5: Solve for x
x = 7,003,145,858,676,528/121,442,090.79 - Step 6: Final answer
x = 57,666,545.54
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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.