Finding the Fourth Proportional to 254,062,981.08, 381,125,964.42 and 72,324,330.84
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Solution
The fourth proportional to 254,062,981.08, 381,125,964.42 and 72,324,330.84 is: 108,495,461.34
Step by Step Solution
- Step 1: Write the proportion equation
254,062,981.08 : 381,125,964.42 = 72,324,330.84 : x - Step 2: Convert to fraction form
254,062,981.08/381,125,964.42 = 72,324,330.84/x - Step 3: Cross multiply
254,062,981.08x = 381,125,964.42 × 72,324,330.84 - Step 4: Simplify right side
254,062,981.08x = 27,564,680,342,426,152 - Step 5: Solve for x
x = 27,564,680,342,426,152/254,062,981.08 - Step 6: Final answer
x = 108,495,461.34
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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.