Finding the Fourth Proportional to 174,013,817.80, 261,020,726.70 and 105,989,369.80
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Solution
The fourth proportional to 174,013,817.80, 261,020,726.70 and 105,989,369.80 is: 158,984,054.70
Step by Step Solution
- Step 1: Write the proportion equation
174,013,817.80 : 261,020,726.70 = 105,989,369.80 : x - Step 2: Convert to fraction form
174,013,817.80/261,020,726.70 = 105,989,369.80/x - Step 3: Cross multiply
174,013,817.80x = 261,020,726.70 × 105,989,369.80 - Step 4: Simplify right side
174,013,817.80x = 27,665,422,327,671,032 - Step 5: Solve for x
x = 27,665,422,327,671,032/174,013,817.80 - Step 6: Final answer
x = 158,984,054.70
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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.