Finding the Fourth Proportional to 69,639,751.80, 104,459,627.70 and 62,943,595.20
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Solution
The fourth proportional to 69,639,751.80, 104,459,627.70 and 62,943,595.20 is: 94,415,392.80
Step by Step Solution
- Step 1: Write the proportion equation
69,639,751.80 : 104,459,627.70 = 62,943,595.20 : x - Step 2: Convert to fraction form
69,639,751.80/104,459,627.70 = 62,943,595.20/x - Step 3: Cross multiply
69,639,751.80x = 104,459,627.70 × 62,943,595.20 - Step 4: Simplify right side
69,639,751.80x = 6,575,064,520,691,508 - Step 5: Solve for x
x = 6,575,064,520,691,508/69,639,751.80 - Step 6: Final answer
x = 94,415,392.80
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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.