Finding the Fourth Proportional to 65,954,331.70, 98,931,497.55 and 48,735,643.30
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Solution
The fourth proportional to 65,954,331.70, 98,931,497.55 and 48,735,643.30 is: 73,103,464.95
Step by Step Solution
- Step 1: Write the proportion equation
65,954,331.70 : 98,931,497.55 = 48,735,643.30 : x - Step 2: Convert to fraction form
65,954,331.70/98,931,497.55 = 48,735,643.30/x - Step 3: Cross multiply
65,954,331.70x = 98,931,497.55 × 48,735,643.30 - Step 4: Simplify right side
65,954,331.70x = 4,821,490,175,731,623 - Step 5: Solve for x
x = 4,821,490,175,731,623/65,954,331.70 - Step 6: Final answer
x = 73,103,464.95
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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.