Finding the Fourth Proportional to 75,285,537.60, 113,040,280.80 and 58,265,428.80
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Solution
The fourth proportional to 75,285,537.60, 113,040,280.80 and 58,265,428.80 is: 87,484,803.09
Step by Step Solution
- Step 1: Write the proportion equation
75,285,537.60 : 113,040,280.80 = 58,265,428.80 : x - Step 2: Convert to fraction form
75,285,537.60/113,040,280.80 = 58,265,428.80/x - Step 3: Cross multiply
75,285,537.60x = 113,040,280.80 × 58,265,428.80 - Step 4: Simplify right side
75,285,537.60x = 6,586,340,432,484,407 - Step 5: Solve for x
x = 6,586,340,432,484,407/75,285,537.60 - Step 6: Final answer
x = 87,484,803.09
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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.