Finding the Fourth Proportional to 69,721,463.42, 104,569,187.62 and 28,211,461.50
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Solution
The fourth proportional to 69,721,463.42, 104,569,187.62 and 28,211,461.50 is: 42,311,929.01
Step by Step Solution
- Step 1: Write the proportion equation
69,721,463.42 : 104,569,187.62 = 28,211,461.50 : x - Step 2: Convert to fraction form
69,721,463.42/104,569,187.62 = 28,211,461.50/x - Step 3: Cross multiply
69,721,463.42x = 104,569,187.62 × 28,211,461.50 - Step 4: Simplify right side
69,721,463.42x = 2,950,049,610,627,907 - Step 5: Solve for x
x = 2,950,049,610,627,907/69,721,463.42 - Step 6: Final answer
x = 42,311,929.01
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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.