Finding the Fourth Proportional to 51,073,813.80, 76,610,720.70 and 44,696,521.80
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Solution
The fourth proportional to 51,073,813.80, 76,610,720.70 and 44,696,521.80 is: 67,044,782.70
Step by Step Solution
- Step 1: Write the proportion equation
51,073,813.80 : 76,610,720.70 = 44,696,521.80 : x - Step 2: Convert to fraction form
51,073,813.80/76,610,720.70 = 44,696,521.80/x - Step 3: Cross multiply
51,073,813.80x = 76,610,720.70 × 44,696,521.80 - Step 4: Simplify right side
51,073,813.80x = 3,424,232,747,881,261 - Step 5: Solve for x
x = 3,424,232,747,881,261/51,073,813.80 - Step 6: Final answer
x = 67,044,782.70
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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.