Finding the Fourth Proportional to 42,753,551.10, 64,107,256.70 and 19,397,546.55
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Solution
The fourth proportional to 42,753,551.10, 64,107,256.70 and 19,397,546.55 is: 29,085,852.85
Step by Step Solution
- Step 1: Write the proportion equation
42,753,551.10 : 64,107,256.70 = 19,397,546.55 : x - Step 2: Convert to fraction form
42,753,551.10/64,107,256.70 = 19,397,546.55/x - Step 3: Cross multiply
42,753,551.10x = 64,107,256.70 × 19,397,546.55 - Step 4: Simplify right side
42,753,551.10x = 1,243,523,495,970,432 - Step 5: Solve for x
x = 1,243,523,495,970,432/42,753,551.10 - Step 6: Final answer
x = 29,085,852.85
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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.