Finding the Fourth Proportional to 65,138,553.27, 97,710,972.12 and 21,418,343.76
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Solution
The fourth proportional to 65,138,553.27, 97,710,972.12 and 21,418,343.76 is: 32,128,548.84
Step by Step Solution
- Step 1: Write the proportion equation
65,138,553.27 : 97,710,972.12 = 21,418,343.76 : x - Step 2: Convert to fraction form
65,138,553.27/97,710,972.12 = 21,418,343.76/x - Step 3: Cross multiply
65,138,553.27x = 97,710,972.12 × 21,418,343.76 - Step 4: Simplify right side
65,138,553.27x = 2,092,807,189,989,936.25 - Step 5: Solve for x
x = 2,092,807,189,989,936.25/65,138,553.27 - Step 6: Final answer
x = 32,128,548.84
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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.