Finding the Fourth Proportional to 124,427,204.70, 186,640,807.05 and 98,729,079.90
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Solution
The fourth proportional to 124,427,204.70, 186,640,807.05 and 98,729,079.90 is: 148,093,619.85
Step by Step Solution
- Step 1: Write the proportion equation
124,427,204.70 : 186,640,807.05 = 98,729,079.90 : x - Step 2: Convert to fraction form
124,427,204.70/186,640,807.05 = 98,729,079.90/x - Step 3: Cross multiply
124,427,204.70x = 186,640,807.05 × 98,729,079.90 - Step 4: Simplify right side
124,427,204.70x = 18,426,875,151,839,936 - Step 5: Solve for x
x = 18,426,875,151,839,936/124,427,204.70 - Step 6: Final answer
x = 148,093,619.85
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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.