Finding the Fourth Proportional to 268,663,661.40, 403,024,294.62 and 74,575,896.96
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Solution
The fourth proportional to 268,663,661.40, 403,024,294.62 and 74,575,896.96 is: 111,871,840.47
Step by Step Solution
- Step 1: Write the proportion equation
268,663,661.40 : 403,024,294.62 = 74,575,896.96 : x - Step 2: Convert to fraction form
268,663,661.40/403,024,294.62 = 74,575,896.96/x - Step 3: Cross multiply
268,663,661.40x = 403,024,294.62 × 74,575,896.96 - Step 4: Simplify right side
268,663,661.40x = 30,055,898,267,957,800 - Step 5: Solve for x
x = 30,055,898,267,957,800/268,663,661.40 - Step 6: Final answer
x = 111,871,840.47
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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.