Finding the Fourth Proportional to 45,996,901.60, 68,995,352.40 and 39,157,715.20
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Solution
The fourth proportional to 45,996,901.60, 68,995,352.40 and 39,157,715.20 is: 58,736,572.80
Step by Step Solution
- Step 1: Write the proportion equation
45,996,901.60 : 68,995,352.40 = 39,157,715.20 : x - Step 2: Convert to fraction form
45,996,901.60/68,995,352.40 = 39,157,715.20/x - Step 3: Cross multiply
45,996,901.60x = 68,995,352.40 × 39,157,715.20 - Step 4: Simplify right side
45,996,901.60x = 2,701,700,359,402,837 - Step 5: Solve for x
x = 2,701,700,359,402,837/45,996,901.60 - Step 6: Final answer
x = 58,736,572.80
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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.