Finding the Fourth Proportional to 58,504,285.80, 87,756,428.70 and 28,271,197.80
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Solution
The fourth proportional to 58,504,285.80, 87,756,428.70 and 28,271,197.80 is: 42,406,796.70
Step by Step Solution
- Step 1: Write the proportion equation
58,504,285.80 : 87,756,428.70 = 28,271,197.80 : x - Step 2: Convert to fraction form
58,504,285.80/87,756,428.70 = 28,271,197.80/x - Step 3: Cross multiply
58,504,285.80x = 87,756,428.70 × 28,271,197.80 - Step 4: Simplify right side
58,504,285.80x = 2,480,979,353,999,297 - Step 5: Solve for x
x = 2,480,979,353,999,297/58,504,285.80 - Step 6: Final answer
x = 42,406,796.70
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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.