Finding the Fourth Proportional to 67,430,818.14, 93,054,812.76 and 36,490,988.94
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Solution
The fourth proportional to 67,430,818.14, 93,054,812.76 and 36,490,988.94 is: 50,357,718.28
Step by Step Solution
- Step 1: Write the proportion equation
67,430,818.14 : 93,054,812.76 = 36,490,988.94 : x - Step 2: Convert to fraction form
67,430,818.14/93,054,812.76 = 36,490,988.94/x - Step 3: Cross multiply
67,430,818.14x = 93,054,812.76 × 36,490,988.94 - Step 4: Simplify right side
67,430,818.14x = 3,395,662,143,238,931 - Step 5: Solve for x
x = 3,395,662,143,238,931/67,430,818.14 - Step 6: Final answer
x = 50,357,718.28
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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.