Finding the Fourth Proportional to 162,413,922.40, 243,620,883.60 and 97,843,840.90
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Solution
The fourth proportional to 162,413,922.40, 243,620,883.60 and 97,843,840.90 is: 146,765,761.35
Step by Step Solution
- Step 1: Write the proportion equation
162,413,922.40 : 243,620,883.60 = 97,843,840.90 : x - Step 2: Convert to fraction form
162,413,922.40/243,620,883.60 = 97,843,840.90/x - Step 3: Cross multiply
162,413,922.40x = 243,620,883.60 × 97,843,840.90 - Step 4: Simplify right side
162,413,922.40x = 23,836,802,974,875,820 - Step 5: Solve for x
x = 23,836,802,974,875,820/162,413,922.40 - Step 6: Final answer
x = 146,765,761.35
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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.