Finding the Fourth Proportional to 35,387,716.05, 52,979,747.36 and 31,695,126.93
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Solution
The fourth proportional to 35,387,716.05, 52,979,747.36 and 31,695,126.93 is: 47,451,488.95
Step by Step Solution
- Step 1: Write the proportion equation
35,387,716.05 : 52,979,747.36 = 31,695,126.93 : x - Step 2: Convert to fraction form
35,387,716.05/52,979,747.36 = 31,695,126.93/x - Step 3: Cross multiply
35,387,716.05x = 52,979,747.36 × 31,695,126.93 - Step 4: Simplify right side
35,387,716.05x = 1,679,199,817,136,056.75 - Step 5: Solve for x
x = 1,679,199,817,136,056.75/35,387,716.05 - Step 6: Final answer
x = 47,451,488.95
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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.