Finding the Fourth Proportional to 70,545,700.06, 97,359,205.46 and 39,189,848.63
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Solution
The fourth proportional to 70,545,700.06, 97,359,205.46 and 39,189,848.63 is: 54,085,401.67
Step by Step Solution
- Step 1: Write the proportion equation
70,545,700.06 : 97,359,205.46 = 39,189,848.63 : x - Step 2: Convert to fraction form
70,545,700.06/97,359,205.46 = 39,189,848.63/x - Step 3: Cross multiply
70,545,700.06x = 97,359,205.46 × 39,189,848.63 - Step 4: Simplify right side
70,545,700.06x = 3,815,492,524,031,724 - Step 5: Solve for x
x = 3,815,492,524,031,724/70,545,700.06 - Step 6: Final answer
x = 54,085,401.67
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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.