Finding the Fourth Proportional to 156,677,886.60, 234,867,530.70 and 122,115,121.80
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Solution
The fourth proportional to 156,677,886.60, 234,867,530.70 and 122,115,121.80 is: 183,056,318.54
Step by Step Solution
- Step 1: Write the proportion equation
156,677,886.60 : 234,867,530.70 = 122,115,121.80 : x - Step 2: Convert to fraction form
156,677,886.60/234,867,530.70 = 122,115,121.80/x - Step 3: Cross multiply
156,677,886.60x = 234,867,530.70 × 122,115,121.80 - Step 4: Simplify right side
156,677,886.60x = 28,680,877,118,295,736 - Step 5: Solve for x
x = 28,680,877,118,295,736/156,677,886.60 - Step 6: Final answer
x = 183,056,318.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.