Finding the Fourth Proportional to 99,651,680.70, 149,477,521.05 and 83,495,874.30
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Solution
The fourth proportional to 99,651,680.70, 149,477,521.05 and 83,495,874.30 is: 125,243,811.45
Step by Step Solution
- Step 1: Write the proportion equation
99,651,680.70 : 149,477,521.05 = 83,495,874.30 : x - Step 2: Convert to fraction form
99,651,680.70/149,477,521.05 = 83,495,874.30/x - Step 3: Cross multiply
99,651,680.70x = 149,477,521.05 × 83,495,874.30 - Step 4: Simplify right side
99,651,680.70x = 12,480,756,308,266,404 - Step 5: Solve for x
x = 12,480,756,308,266,404/99,651,680.70 - Step 6: Final answer
x = 125,243,811.45
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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.