Finding the Fourth Proportional to 97,031,401.74, 133,899,818.58 and 52,977,589.11
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Solution
The fourth proportional to 97,031,401.74, 133,899,818.58 and 52,977,589.11 is: 73,107,153.39
Step by Step Solution
- Step 1: Write the proportion equation
97,031,401.74 : 133,899,818.58 = 52,977,589.11 : x - Step 2: Convert to fraction form
97,031,401.74/133,899,818.58 = 52,977,589.11/x - Step 3: Cross multiply
97,031,401.74x = 133,899,818.58 × 52,977,589.11 - Step 4: Simplify right side
97,031,401.74x = 7,093,689,570,634,783 - Step 5: Solve for x
x = 7,093,689,570,634,783/97,031,401.74 - Step 6: Final answer
x = 73,107,153.39
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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.