Finding the Fourth Proportional to 76,465,060.74, 114,733,463.34 and 38,129,564.21
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Solution
The fourth proportional to 76,465,060.74, 114,733,463.34 and 38,129,564.21 is: 57,212,234.12
Step by Step Solution
- Step 1: Write the proportion equation
76,465,060.74 : 114,733,463.34 = 38,129,564.21 : x - Step 2: Convert to fraction form
76,465,060.74/114,733,463.34 = 38,129,564.21/x - Step 3: Cross multiply
76,465,060.74x = 114,733,463.34 × 38,129,564.21 - Step 4: Simplify right side
76,465,060.74x = 4,374,736,956,884,543.50 - Step 5: Solve for x
x = 4,374,736,956,884,543.50/76,465,060.74 - Step 6: Final answer
x = 57,212,234.12
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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.