Finding the Fourth Proportional to 66,828,598.92, 92,050,965 and 47,215,441.08
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Solution
The fourth proportional to 66,828,598.92, 92,050,965 and 47,215,441.08 is: 65,035,433.70
Step by Step Solution
- Step 1: Write the proportion equation
66,828,598.92 : 92,050,965 = 47,215,441.08 : x - Step 2: Convert to fraction form
66,828,598.92/92,050,965 = 47,215,441.08/x - Step 3: Cross multiply
66,828,598.92x = 92,050,965 × 47,215,441.08 - Step 4: Simplify right side
66,828,598.92x = 4,346,226,914,314,642 - Step 5: Solve for x
x = 4,346,226,914,314,642/66,828,598.92 - Step 6: Final answer
x = 65,035,433.70
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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.