Finding the Fourth Proportional to 67,430,115.18, 93,053,793.51 and 36,490,276.26
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Solution
The fourth proportional to 67,430,115.18, 93,053,793.51 and 36,490,276.26 is: 50,356,708.17
Step by Step Solution
- Step 1: Write the proportion equation
67,430,115.18 : 93,053,793.51 = 36,490,276.26 : x - Step 2: Convert to fraction form
67,430,115.18/93,053,793.51 = 36,490,276.26/x - Step 3: Cross multiply
67,430,115.18x = 93,053,793.51 × 36,490,276.26 - Step 4: Simplify right side
67,430,115.18x = 3,395,558,632,220,895 - Step 5: Solve for x
x = 3,395,558,632,220,895/67,430,115.18 - Step 6: Final answer
x = 50,356,708.17
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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.