Finding the Fourth Proportional to 134,465,574.05, 185,560,605.95 and 74,929,379.49
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Solution
The fourth proportional to 134,465,574.05, 185,560,605.95 and 74,929,379.49 is: 103,401,492.61
Step by Step Solution
- Step 1: Write the proportion equation
134,465,574.05 : 185,560,605.95 = 74,929,379.49 : x - Step 2: Convert to fraction form
134,465,574.05/185,560,605.95 = 74,929,379.49/x - Step 3: Cross multiply
134,465,574.05x = 185,560,605.95 × 74,929,379.49 - Step 4: Simplify right side
134,465,574.05x = 13,903,941,061,528,238 - Step 5: Solve for x
x = 13,903,941,061,528,238/134,465,574.05 - Step 6: Final answer
x = 103,401,492.61
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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.