Finding the Fourth Proportional to 92,927,385.44, 128,370,928.12 and 74,465,168.80
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Solution
The fourth proportional to 92,927,385.44, 128,370,928.12 and 74,465,168.80 is: 102,867,015.86
Step by Step Solution
- Step 1: Write the proportion equation
92,927,385.44 : 128,370,928.12 = 74,465,168.80 : x - Step 2: Convert to fraction form
92,927,385.44/128,370,928.12 = 74,465,168.80/x - Step 3: Cross multiply
92,927,385.44x = 128,370,928.12 × 74,465,168.80 - Step 4: Simplify right side
92,927,385.44x = 9,559,162,831,468,466 - Step 5: Solve for x
x = 9,559,162,831,468,466/92,927,385.44 - Step 6: Final answer
x = 102,867,015.86
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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.