Finding the Fourth Proportional to 293,719,120.68, 440,427,064.32 and 86,430,592.62
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Solution
The fourth proportional to 293,719,120.68, 440,427,064.32 and 86,430,592.62 is: 129,601,273.78
Step by Step Solution
- Step 1: Write the proportion equation
293,719,120.68 : 440,427,064.32 = 86,430,592.62 : x - Step 2: Convert to fraction form
293,719,120.68/440,427,064.32 = 86,430,592.62/x - Step 3: Cross multiply
293,719,120.68x = 440,427,064.32 × 86,430,592.62 - Step 4: Simplify right side
293,719,120.68x = 38,066,372,175,064,456 - Step 5: Solve for x
x = 38,066,372,175,064,456/293,719,120.68 - Step 6: Final answer
x = 129,601,273.78
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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.