Finding the Fourth Proportional to 68,251,050.16, 94,187,006.28 and 38,881,914.64
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Solution
The fourth proportional to 68,251,050.16, 94,187,006.28 and 38,881,914.64 is: 53,657,359.55
Step by Step Solution
- Step 1: Write the proportion equation
68,251,050.16 : 94,187,006.28 = 38,881,914.64 : x - Step 2: Convert to fraction form
68,251,050.16/94,187,006.28 = 38,881,914.64/x - Step 3: Cross multiply
68,251,050.16x = 94,187,006.28 × 38,881,914.64 - Step 4: Simplify right side
68,251,050.16x = 3,662,171,138,140,637 - Step 5: Solve for x
x = 3,662,171,138,140,637/68,251,050.16 - Step 6: Final answer
x = 53,657,359.55
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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.