Finding the Fourth Proportional to 272,770,626.40, 376,436,901.36 and 155,298,283.36
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Solution
The fourth proportional to 272,770,626.40, 376,436,901.36 and 155,298,283.36 is: 214,319,281.17
Step by Step Solution
- Step 1: Write the proportion equation
272,770,626.40 : 376,436,901.36 = 155,298,283.36 : x - Step 2: Convert to fraction form
272,770,626.40/376,436,901.36 = 155,298,283.36/x - Step 3: Cross multiply
272,770,626.40x = 376,436,901.36 × 155,298,283.36 - Step 4: Simplify right side
272,770,626.40x = 58,460,004,574,565,656 - Step 5: Solve for x
x = 58,460,004,574,565,656/272,770,626.40 - Step 6: Final answer
x = 214,319,281.17
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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.