Finding the Fourth Proportional to 99,736,103.20, 149,604,154.80 and 97,496,615.20
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Solution
The fourth proportional to 99,736,103.20, 149,604,154.80 and 97,496,615.20 is: 146,244,922.80
Step by Step Solution
- Step 1: Write the proportion equation
99,736,103.20 : 149,604,154.80 = 97,496,615.20 : x - Step 2: Convert to fraction form
99,736,103.20/149,604,154.80 = 97,496,615.20/x - Step 3: Cross multiply
99,736,103.20x = 149,604,154.80 × 97,496,615.20 - Step 4: Simplify right side
99,736,103.20x = 14,585,898,712,856,834 - Step 5: Solve for x
x = 14,585,898,712,856,834/99,736,103.20 - Step 6: Final answer
x = 146,244,922.80
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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.