Finding the Fourth Proportional to 45,929,041.99, 68,882,679.52 and 13,138,599.87
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Solution
The fourth proportional to 45,929,041.99, 68,882,679.52 and 13,138,599.87 is: 19,704,786.45
Step by Step Solution
- Step 1: Write the proportion equation
45,929,041.99 : 68,882,679.52 = 13,138,599.87 : x - Step 2: Convert to fraction form
45,929,041.99/68,882,679.52 = 13,138,599.87/x - Step 3: Cross multiply
45,929,041.99x = 68,882,679.52 × 13,138,599.87 - Step 4: Simplify right side
45,929,041.99x = 905,021,964,153,877.12 - Step 5: Solve for x
x = 905,021,964,153,877.12/45,929,041.99 - Step 6: Final answer
x = 19,704,786.45
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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.