Finding the Fourth Proportional to 343,727,812.72, 515,586,670.80 and 84,943,026
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Solution
The fourth proportional to 343,727,812.72, 515,586,670.80 and 84,943,026 is: 127,413,291.45
Step by Step Solution
- Step 1: Write the proportion equation
343,727,812.72 : 515,586,670.80 = 84,943,026 : x - Step 2: Convert to fraction form
343,727,812.72/515,586,670.80 = 84,943,026/x - Step 3: Cross multiply
343,727,812.72x = 515,586,670.80 × 84,943,026 - Step 4: Simplify right side
343,727,812.72x = 43,795,491,983,017,840 - Step 5: Solve for x
x = 43,795,491,983,017,840/343,727,812.72 - Step 6: Final answer
x = 127,413,291.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.