Finding the Fourth Proportional to 51,653,190.05, 71,286,437.13 and 38,577,748.55
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Solution
The fourth proportional to 51,653,190.05, 71,286,437.13 and 38,577,748.55 is: 53,241,053.34
Step by Step Solution
- Step 1: Write the proportion equation
51,653,190.05 : 71,286,437.13 = 38,577,748.55 : x - Step 2: Convert to fraction form
51,653,190.05/71,286,437.13 = 38,577,748.55/x - Step 3: Cross multiply
51,653,190.05x = 71,286,437.13 × 38,577,748.55 - Step 4: Simplify right side
51,653,190.05x = 2,750,070,246,270,091.50 - Step 5: Solve for x
x = 2,750,070,246,270,091.50/51,653,190.05 - Step 6: Final answer
x = 53,241,053.34
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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.