Finding the Fourth Proportional to 99,712,452.48, 149,588,070.16 and 38,297,118.48
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Solution
The fourth proportional to 99,712,452.48, 149,588,070.16 and 38,297,118.48 is: 57,453,125.50
Step by Step Solution
- Step 1: Write the proportion equation
99,712,452.48 : 149,588,070.16 = 38,297,118.48 : x - Step 2: Convert to fraction form
99,712,452.48/149,588,070.16 = 38,297,118.48/x - Step 3: Cross multiply
99,712,452.48x = 149,588,070.16 × 38,297,118.48 - Step 4: Simplify right side
99,712,452.48x = 5,728,792,046,112,072 - Step 5: Solve for x
x = 5,728,792,046,112,072/99,712,452.48 - Step 6: Final answer
x = 57,453,125.50
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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.