Finding the Fourth Proportional to 161,701,739.70, 242,552,497.29 and 38,880,016.53
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Solution
The fourth proportional to 161,701,739.70, 242,552,497.29 and 38,880,016.53 is: 58,319,997.80
Step by Step Solution
- Step 1: Write the proportion equation
161,701,739.70 : 242,552,497.29 = 38,880,016.53 : x - Step 2: Convert to fraction form
161,701,739.70/242,552,497.29 = 38,880,016.53/x - Step 3: Cross multiply
161,701,739.70x = 242,552,497.29 × 38,880,016.53 - Step 4: Simplify right side
161,701,739.70x = 9,430,445,104,027,980 - Step 5: Solve for x
x = 9,430,445,104,027,980/161,701,739.70 - Step 6: Final answer
x = 58,319,997.80
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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.