Finding the Fourth Proportional to 279,406,954.62, 385,564,224.03 and 153,952,129.96
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Solution
The fourth proportional to 279,406,954.62, 385,564,224.03 and 153,952,129.96 is: 212,444,366.70
Step by Step Solution
- Step 1: Write the proportion equation
279,406,954.62 : 385,564,224.03 = 153,952,129.96 : x - Step 2: Convert to fraction form
279,406,954.62/385,564,224.03 = 153,952,129.96/x - Step 3: Cross multiply
279,406,954.62x = 385,564,224.03 × 153,952,129.96 - Step 4: Simplify right side
279,406,954.62x = 59,358,433,525,793,112 - Step 5: Solve for x
x = 59,358,433,525,793,112/279,406,954.62 - Step 6: Final answer
x = 212,444,366.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.