Finding the Fourth Proportional to 67,731,186.34, 93,468,964.53 and 36,791,378.74
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Solution
The fourth proportional to 67,731,186.34, 93,468,964.53 and 36,791,378.74 is: 50,772,063.21
Step by Step Solution
- Step 1: Write the proportion equation
67,731,186.34 : 93,468,964.53 = 36,791,378.74 : x - Step 2: Convert to fraction form
67,731,186.34/93,468,964.53 = 36,791,378.74/x - Step 3: Cross multiply
67,731,186.34x = 93,468,964.53 × 36,791,378.74 - Step 4: Simplify right side
67,731,186.34x = 3,438,852,074,458,856.50 - Step 5: Solve for x
x = 3,438,852,074,458,856.50/67,731,186.34 - Step 6: Final answer
x = 50,772,063.21
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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.