Finding the Fourth Proportional to 71,289,282.18, 106,916,801.48 and 32,913,925.14
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Solution
The fourth proportional to 71,289,282.18, 106,916,801.48 and 32,913,925.14 is: 49,362,982.66
Step by Step Solution
- Step 1: Write the proportion equation
71,289,282.18 : 106,916,801.48 = 32,913,925.14 : x - Step 2: Convert to fraction form
71,289,282.18/106,916,801.48 = 32,913,925.14/x - Step 3: Cross multiply
71,289,282.18x = 106,916,801.48 × 32,913,925.14 - Step 4: Simplify right side
71,289,282.18x = 3,519,051,600,120,961.50 - Step 5: Solve for x
x = 3,519,051,600,120,961.50/71,289,282.18 - Step 6: Final answer
x = 49,362,982.66
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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.