Finding the Fourth Proportional to 84,065,272.65, 116,007,444.15 and 49,281,129.99
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Solution
The fourth proportional to 84,065,272.65, 116,007,444.15 and 49,281,129.99 is: 68,006,416.38
Step by Step Solution
- Step 1: Write the proportion equation
84,065,272.65 : 116,007,444.15 = 49,281,129.99 : x - Step 2: Convert to fraction form
84,065,272.65/116,007,444.15 = 49,281,129.99/x - Step 3: Cross multiply
84,065,272.65x = 116,007,444.15 × 49,281,129.99 - Step 4: Simplify right side
84,065,272.65x = 5,716,977,934,963,816 - Step 5: Solve for x
x = 5,716,977,934,963,816/84,065,272.65 - Step 6: Final answer
x = 68,006,416.38
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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.