Finding the Fourth Proportional to 108,031,812.62, 149,083,888.84 and 58,472,177.27
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Solution
The fourth proportional to 108,031,812.62, 149,083,888.84 and 58,472,177.27 is: 80,691,597.82
Step by Step Solution
- Step 1: Write the proportion equation
108,031,812.62 : 149,083,888.84 = 58,472,177.27 : x - Step 2: Convert to fraction form
108,031,812.62/149,083,888.84 = 58,472,177.27/x - Step 3: Cross multiply
108,031,812.62x = 149,083,888.84 × 58,472,177.27 - Step 4: Simplify right side
108,031,812.62x = 8,717,259,575,461,855 - Step 5: Solve for x
x = 8,717,259,575,461,855/108,031,812.62 - Step 6: Final answer
x = 80,691,597.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.