Finding the Fourth Proportional to 66,777,730.39, 92,239,712.18 and 55,221,972.31
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Solution
The fourth proportional to 66,777,730.39, 92,239,712.18 and 55,221,972.31 is: 76,277,807.02
Step by Step Solution
- Step 1: Write the proportion equation
66,777,730.39 : 92,239,712.18 = 55,221,972.31 : x - Step 2: Convert to fraction form
66,777,730.39/92,239,712.18 = 55,221,972.31/x - Step 3: Cross multiply
66,777,730.39x = 92,239,712.18 × 55,221,972.31 - Step 4: Simplify right side
66,777,730.39x = 5,093,658,831,886,330 - Step 5: Solve for x
x = 5,093,658,831,886,330/66,777,730.39 - Step 6: Final answer
x = 76,277,807.02
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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.