Finding the Fourth Proportional to 100,748,552.84, 151,122,326.64 and 39,343,950.52
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Solution
The fourth proportional to 100,748,552.84, 151,122,326.64 and 39,343,950.52 is: 59,015,729.50
Step by Step Solution
- Step 1: Write the proportion equation
100,748,552.84 : 151,122,326.64 = 39,343,950.52 : x - Step 2: Convert to fraction form
100,748,552.84/151,122,326.64 = 39,343,950.52/x - Step 3: Cross multiply
100,748,552.84x = 151,122,326.64 × 39,343,950.52 - Step 4: Simplify right side
100,748,552.84x = 5,945,749,341,791,438 - Step 5: Solve for x
x = 5,945,749,341,791,438/100,748,552.84 - Step 6: Final answer
x = 59,015,729.50
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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.