Finding the Fourth Proportional to 138,175,686.66, 207,335,261.76 and 56,354,592.90
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Solution
The fourth proportional to 138,175,686.66, 207,335,261.76 and 56,354,592.90 is: 84,561,144.97
Step by Step Solution
- Step 1: Write the proportion equation
138,175,686.66 : 207,335,261.76 = 56,354,592.90 : x - Step 2: Convert to fraction form
138,175,686.66/207,335,261.76 = 56,354,592.90/x - Step 3: Cross multiply
138,175,686.66x = 207,335,261.76 × 56,354,592.90 - Step 4: Simplify right side
138,175,686.66x = 11,684,294,270,299,736 - Step 5: Solve for x
x = 11,684,294,270,299,736/138,175,686.66 - Step 6: Final answer
x = 84,561,144.97
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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.