Finding the Fourth Proportional to 212,198,686.72, 292,834,201.18 and 118,110,808.20
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Solution
The fourth proportional to 212,198,686.72, 292,834,201.18 and 118,110,808.20 is: 162,992,922.84
Step by Step Solution
- Step 1: Write the proportion equation
212,198,686.72 : 292,834,201.18 = 118,110,808.20 : x - Step 2: Convert to fraction form
212,198,686.72/292,834,201.18 = 118,110,808.20/x - Step 3: Cross multiply
212,198,686.72x = 292,834,201.18 × 118,110,808.20 - Step 4: Simplify right side
212,198,686.72x = 34,586,884,170,774,044 - Step 5: Solve for x
x = 34,586,884,170,774,044/212,198,686.72 - Step 6: Final answer
x = 162,992,922.84
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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.