Finding the Fourth Proportional to 52,700,905.24, 72,710,677.02 and 29,492,344.60
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Solution
The fourth proportional to 52,700,905.24, 72,710,677.02 and 29,492,344.60 is: 40,690,161.45
Step by Step Solution
- Step 1: Write the proportion equation
52,700,905.24 : 72,710,677.02 = 29,492,344.60 : x - Step 2: Convert to fraction form
52,700,905.24/72,710,677.02 = 29,492,344.60/x - Step 3: Cross multiply
52,700,905.24x = 72,710,677.02 × 29,492,344.60 - Step 4: Simplify right side
52,700,905.24x = 2,144,408,342,773,141 - Step 5: Solve for x
x = 2,144,408,342,773,141/52,700,905.24 - Step 6: Final answer
x = 40,690,161.45
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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.