Finding the Fourth Proportional to 64,670,810.80, 97,006,216.20 and 39,098,657.20
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Solution
The fourth proportional to 64,670,810.80, 97,006,216.20 and 39,098,657.20 is: 58,647,985.80
Step by Step Solution
- Step 1: Write the proportion equation
64,670,810.80 : 97,006,216.20 = 39,098,657.20 : x - Step 2: Convert to fraction form
64,670,810.80/97,006,216.20 = 39,098,657.20/x - Step 3: Cross multiply
64,670,810.80x = 97,006,216.20 × 39,098,657.20 - Step 4: Simplify right side
64,670,810.80x = 3,792,812,793,472,887 - Step 5: Solve for x
x = 3,792,812,793,472,887/64,670,810.80 - Step 6: Final answer
x = 58,647,985.80
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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.