Finding the Fourth Proportional to 149,490,497.80, 224,235,746.70 and 132,484,385.80
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Solution
The fourth proportional to 149,490,497.80, 224,235,746.70 and 132,484,385.80 is: 198,726,578.70
Step by Step Solution
- Step 1: Write the proportion equation
149,490,497.80 : 224,235,746.70 = 132,484,385.80 : x - Step 2: Convert to fraction form
149,490,497.80/224,235,746.70 = 132,484,385.80/x - Step 3: Cross multiply
149,490,497.80x = 224,235,746.70 × 132,484,385.80 - Step 4: Simplify right side
149,490,497.80x = 29,707,735,175,953,876 - Step 5: Solve for x
x = 29,707,735,175,953,876/149,490,497.80 - Step 6: Final answer
x = 198,726,578.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.