Finding the Fourth Proportional to 212,343,720.18, 293,043,425.31 and 118,257,866.61
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Solution
The fourth proportional to 212,343,720.18, 293,043,425.31 and 118,257,866.61 is: 163,200,919.11
Step by Step Solution
- Step 1: Write the proportion equation
212,343,720.18 : 293,043,425.31 = 118,257,866.61 : x - Step 2: Convert to fraction form
212,343,720.18/293,043,425.31 = 118,257,866.61/x - Step 3: Cross multiply
212,343,720.18x = 293,043,425.31 × 118,257,866.61 - Step 4: Simplify right side
212,343,720.18x = 34,654,690,301,247,480 - Step 5: Solve for x
x = 34,654,690,301,247,480/212,343,720.18 - Step 6: Final answer
x = 163,200,919.11
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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.