Finding the Fourth Proportional to 62,208,085.80, 93,312,128.70 and 54,649,813.80
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Solution
The fourth proportional to 62,208,085.80, 93,312,128.70 and 54,649,813.80 is: 81,974,720.70
Step by Step Solution
- Step 1: Write the proportion equation
62,208,085.80 : 93,312,128.70 = 54,649,813.80 : x - Step 2: Convert to fraction form
62,208,085.80/93,312,128.70 = 54,649,813.80/x - Step 3: Cross multiply
62,208,085.80x = 93,312,128.70 × 54,649,813.80 - Step 4: Simplify right side
62,208,085.80x = 5,099,490,458,736,636 - Step 5: Solve for x
x = 5,099,490,458,736,636/62,208,085.80 - Step 6: Final answer
x = 81,974,720.70
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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.