Finding the Fourth Proportional to 213,226,413.68, 319,859,139.60 and 59,871,436.76
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Solution
The fourth proportional to 213,226,413.68, 319,859,139.60 and 59,871,436.76 is: 89,812,635.87
Step by Step Solution
- Step 1: Write the proportion equation
213,226,413.68 : 319,859,139.60 = 59,871,436.76 : x - Step 2: Convert to fraction form
213,226,413.68/319,859,139.60 = 59,871,436.76/x - Step 3: Cross multiply
213,226,413.68x = 319,859,139.60 × 59,871,436.76 - Step 4: Simplify right side
213,226,413.68x = 19,150,426,248,669,412 - Step 5: Solve for x
x = 19,150,426,248,669,412/213,226,413.68 - Step 6: Final answer
x = 89,812,635.87
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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.