Finding the Fourth Proportional to 83,328,863.34, 124,486,477.12 and 53,943,310.50
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Solution
The fourth proportional to 83,328,863.34, 124,486,477.12 and 53,943,310.50 is: 80,586,874.93
Step by Step Solution
- Step 1: Write the proportion equation
83,328,863.34 : 124,486,477.12 = 53,943,310.50 : x - Step 2: Convert to fraction form
83,328,863.34/124,486,477.12 = 53,943,310.50/x - Step 3: Cross multiply
83,328,863.34x = 124,486,477.12 × 53,943,310.50 - Step 4: Simplify right side
83,328,863.34x = 6,715,212,688,335,306 - Step 5: Solve for x
x = 6,715,212,688,335,306/83,328,863.34 - Step 6: Final answer
x = 80,586,874.93
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.