Finding the Fourth Proportional to 74,944,813.74, 103,383,948.03 and 45,585,126.06
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Solution
The fourth proportional to 74,944,813.74, 103,383,948.03 and 45,585,126.06 is: 62,883,207.90
Step by Step Solution
- Step 1: Write the proportion equation
74,944,813.74 : 103,383,948.03 = 45,585,126.06 : x - Step 2: Convert to fraction form
74,944,813.74/103,383,948.03 = 45,585,126.06/x - Step 3: Cross multiply
74,944,813.74x = 103,383,948.03 × 45,585,126.06 - Step 4: Simplify right side
74,944,813.74x = 4,712,770,303,528,039 - Step 5: Solve for x
x = 4,712,770,303,528,039/74,944,813.74 - Step 6: Final answer
x = 62,883,207.90
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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.