Finding the Fourth Proportional to 145,156,952.70, 217,735,429.05 and 49,418,840.70
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Solution
The fourth proportional to 145,156,952.70, 217,735,429.05 and 49,418,840.70 is: 74,128,261.05
Step by Step Solution
- Step 1: Write the proportion equation
145,156,952.70 : 217,735,429.05 = 49,418,840.70 : x - Step 2: Convert to fraction form
145,156,952.70/217,735,429.05 = 49,418,840.70/x - Step 3: Cross multiply
145,156,952.70x = 217,735,429.05 × 49,418,840.70 - Step 4: Simplify right side
145,156,952.70x = 10,760,232,482,968,104 - Step 5: Solve for x
x = 10,760,232,482,968,104/145,156,952.70 - Step 6: Final answer
x = 74,128,261.05
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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.