Finding the Fourth Proportional to 86,221,038.66, 118,967,271.36 and 49,544,523.78
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Solution
The fourth proportional to 86,221,038.66, 118,967,271.36 and 49,544,523.78 is: 68,361,236.38
Step by Step Solution
- Step 1: Write the proportion equation
86,221,038.66 : 118,967,271.36 = 49,544,523.78 : x - Step 2: Convert to fraction form
86,221,038.66/118,967,271.36 = 49,544,523.78/x - Step 3: Cross multiply
86,221,038.66x = 118,967,271.36 × 49,544,523.78 - Step 4: Simplify right side
86,221,038.66x = 5,894,176,804,937,233 - Step 5: Solve for x
x = 5,894,176,804,937,233/86,221,038.66 - Step 6: Final answer
x = 68,361,236.38
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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.