Finding the Fourth Proportional to 166,145,134.40, 249,442,087.80 and 97,128,663.20
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Solution
The fourth proportional to 166,145,134.40, 249,442,087.80 and 97,128,663.20 is: 145,824,171.27
Step by Step Solution
- Step 1: Write the proportion equation
166,145,134.40 : 249,442,087.80 = 97,128,663.20 : x - Step 2: Convert to fraction form
166,145,134.40/249,442,087.80 = 97,128,663.20/x - Step 3: Cross multiply
166,145,134.40x = 249,442,087.80 × 97,128,663.20 - Step 4: Simplify right side
166,145,134.40x = 24,227,976,533,831,032 - Step 5: Solve for x
x = 24,227,976,533,831,032/166,145,134.40 - Step 6: Final answer
x = 145,824,171.27
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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.