Finding the Fourth Proportional to 74,652,992.80, 111,962,684.40 and 26,783,936.80
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Solution
The fourth proportional to 74,652,992.80, 111,962,684.40 and 26,783,936.80 is: 40,169,875.99
Step by Step Solution
- Step 1: Write the proportion equation
74,652,992.80 : 111,962,684.40 = 26,783,936.80 : x - Step 2: Convert to fraction form
74,652,992.80/111,962,684.40 = 26,783,936.80/x - Step 3: Cross multiply
74,652,992.80x = 111,962,684.40 × 26,783,936.80 - Step 4: Simplify right side
74,652,992.80x = 2,998,801,462,927,946 - Step 5: Solve for x
x = 2,998,801,462,927,946/74,652,992.80 - Step 6: Final answer
x = 40,169,875.99
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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.