Finding the Fourth Proportional to 194,688,541.80, 292,032,812.70 and 162,838,045.80
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Solution
The fourth proportional to 194,688,541.80, 292,032,812.70 and 162,838,045.80 is: 244,257,068.70
Step by Step Solution
- Step 1: Write the proportion equation
194,688,541.80 : 292,032,812.70 = 162,838,045.80 : x - Step 2: Convert to fraction form
194,688,541.80/292,032,812.70 = 162,838,045.80/x - Step 3: Cross multiply
194,688,541.80x = 292,032,812.70 × 162,838,045.80 - Step 4: Simplify right side
194,688,541.80x = 47,554,052,529,545,424 - Step 5: Solve for x
x = 47,554,052,529,545,424/194,688,541.80 - Step 6: Final answer
x = 244,257,068.70
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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.