Finding the Fourth Proportional to 106,344,908.90, 159,517,363.35 and 91,039,408.10
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Solution
The fourth proportional to 106,344,908.90, 159,517,363.35 and 91,039,408.10 is: 136,559,112.15
Step by Step Solution
- Step 1: Write the proportion equation
106,344,908.90 : 159,517,363.35 = 91,039,408.10 : x - Step 2: Convert to fraction form
106,344,908.90/159,517,363.35 = 91,039,408.10/x - Step 3: Cross multiply
106,344,908.90x = 159,517,363.35 × 91,039,408.10 - Step 4: Simplify right side
106,344,908.90x = 14,522,366,341,056,632 - Step 5: Solve for x
x = 14,522,366,341,056,632/106,344,908.90 - Step 6: Final answer
x = 136,559,112.15
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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.