Finding the Fourth Proportional to 139,225,769,413.05, 208,625,500,545.52 and 93,677,769,178.09
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Solution
The fourth proportional to 139,225,769,413.05, 208,625,500,545.52 and 93,677,769,178.09 is: 140,373,233,828.46
Step by Step Solution
- Step 1: Write the proportion equation
139,225,769,413.05 : 208,625,500,545.52 = 93,677,769,178.09 : x - Step 2: Convert to fraction form
139,225,769,413.05/208,625,500,545.52 = 93,677,769,178.09/x - Step 3: Cross multiply
139,225,769,413.05x = 208,625,500,545.52 × 93,677,769,178.09 - Step 4: Simplify right side
139,225,769,413.05x = 19,543,571,484,765,669,294,080 - Step 5: Solve for x
x = 19,543,571,484,765,669,294,080/139,225,769,413.05 - Step 6: Final answer
x = 140,373,233,828.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.