Finding the Fourth Proportional to 197,316,164.20, 295,974,246.30 and 193,914,941.80
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Solution
The fourth proportional to 197,316,164.20, 295,974,246.30 and 193,914,941.80 is: 290,872,412.70
Step by Step Solution
- Step 1: Write the proportion equation
197,316,164.20 : 295,974,246.30 = 193,914,941.80 : x - Step 2: Convert to fraction form
197,316,164.20/295,974,246.30 = 193,914,941.80/x - Step 3: Cross multiply
197,316,164.20x = 295,974,246.30 × 193,914,941.80 - Step 4: Simplify right side
197,316,164.20x = 57,393,828,745,563,368 - Step 5: Solve for x
x = 57,393,828,745,563,368/197,316,164.20 - Step 6: Final answer
x = 290,872,412.70
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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.