Finding the Fourth Proportional to 79,133,350.80, 118,700,026.20 and 48,900,262.80
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Solution
The fourth proportional to 79,133,350.80, 118,700,026.20 and 48,900,262.80 is: 73,350,394.20
Step by Step Solution
- Step 1: Write the proportion equation
79,133,350.80 : 118,700,026.20 = 48,900,262.80 : x - Step 2: Convert to fraction form
79,133,350.80/118,700,026.20 = 48,900,262.80/x - Step 3: Cross multiply
79,133,350.80x = 118,700,026.20 × 48,900,262.80 - Step 4: Simplify right side
79,133,350.80x = 5,804,462,475,546,885 - Step 5: Solve for x
x = 5,804,462,475,546,885/79,133,350.80 - Step 6: Final answer
x = 73,350,394.20
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1.5x scale
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.