Finding the Fourth Proportional to 53,281,149.70, 73,527,985.89 and 28,834,863.70
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Solution
The fourth proportional to 53,281,149.70, 73,527,985.89 and 28,834,863.70 is: 39,792,111.53
Step by Step Solution
- Step 1: Write the proportion equation
53,281,149.70 : 73,527,985.89 = 28,834,863.70 : x - Step 2: Convert to fraction form
53,281,149.70/73,527,985.89 = 28,834,863.70/x - Step 3: Cross multiply
53,281,149.70x = 73,527,985.89 × 28,834,863.70 - Step 4: Simplify right side
53,281,149.70x = 2,120,169,451,273,673.25 - Step 5: Solve for x
x = 2,120,169,451,273,673.25/53,281,149.70 - Step 6: Final answer
x = 39,792,111.53
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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.