Finding the Fourth Proportional to 86,230,497.56, 129,345,752.00 and 68,877,451.70
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Solution
The fourth proportional to 86,230,497.56, 129,345,752.00 and 68,877,451.70 is: 103,316,182.07
Step by Step Solution
- Step 1: Write the proportion equation
86,230,497.56 : 129,345,752.00 = 68,877,451.70 : x - Step 2: Convert to fraction form
86,230,497.56/129,345,752.00 = 68,877,451.70/x - Step 3: Cross multiply
86,230,497.56x = 129,345,752.00 × 68,877,451.70 - Step 4: Simplify right side
86,230,497.56x = 8,909,005,784,989,062 - Step 5: Solve for x
x = 8,909,005,784,989,062/86,230,497.56 - Step 6: Final answer
x = 103,316,182.07
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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.