Finding the Fourth Proportional to 189,085,159.68, 260,957,583.12 and 110,834,458.08
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Solution
The fourth proportional to 189,085,159.68, 260,957,583.12 and 110,834,458.08 is: 152,963,312.17
Step by Step Solution
- Step 1: Write the proportion equation
189,085,159.68 : 260,957,583.12 = 110,834,458.08 : x - Step 2: Convert to fraction form
189,085,159.68/260,957,583.12 = 110,834,458.08/x - Step 3: Cross multiply
189,085,159.68x = 260,957,583.12 × 110,834,458.08 - Step 4: Simplify right side
189,085,159.68x = 28,923,092,306,971,756 - Step 5: Solve for x
x = 28,923,092,306,971,756/189,085,159.68 - Step 6: Final answer
x = 152,963,312.17
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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.