Finding the Fourth Proportional to 247,724,128.08, 341,869,146.88 and 136,224,110.24
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Solution
The fourth proportional to 247,724,128.08, 341,869,146.88 and 136,224,110.24 is: 187,994,688.74
Step by Step Solution
- Step 1: Write the proportion equation
247,724,128.08 : 341,869,146.88 = 136,224,110.24 : x - Step 2: Convert to fraction form
247,724,128.08/341,869,146.88 = 136,224,110.24/x - Step 3: Cross multiply
247,724,128.08x = 341,869,146.88 × 136,224,110.24 - Step 4: Simplify right side
247,724,128.08x = 46,570,820,352,235,872 - Step 5: Solve for x
x = 46,570,820,352,235,872/247,724,128.08 - Step 6: Final answer
x = 187,994,688.74
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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.