Finding the Fourth Proportional to 77,025,964.53, 106,307,239.61 and 48,770,963.74
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Solution
The fourth proportional to 77,025,964.53, 106,307,239.61 and 48,770,963.74 is: 67,311,153.58
Step by Step Solution
- Step 1: Write the proportion equation
77,025,964.53 : 106,307,239.61 = 48,770,963.74 : x - Step 2: Convert to fraction form
77,025,964.53/106,307,239.61 = 48,770,963.74/x - Step 3: Cross multiply
77,025,964.53x = 106,307,239.61 × 48,770,963.74 - Step 4: Simplify right side
77,025,964.53x = 5,184,706,528,318,802 - Step 5: Solve for x
x = 5,184,706,528,318,802/77,025,964.53 - Step 6: Final answer
x = 67,311,153.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.