Finding the Fourth Proportional to 77,458,380.99, 116,168,209.25 and 22,860,130.11
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Solution
The fourth proportional to 77,458,380.99, 116,168,209.25 and 22,860,130.11 is: 34,284,480.83
Step by Step Solution
- Step 1: Write the proportion equation
77,458,380.99 : 116,168,209.25 = 22,860,130.11 : x - Step 2: Convert to fraction form
77,458,380.99/116,168,209.25 = 22,860,130.11/x - Step 3: Cross multiply
77,458,380.99x = 116,168,209.25 × 22,860,130.11 - Step 4: Simplify right side
77,458,380.99x = 2,655,620,377,986,405 - Step 5: Solve for x
x = 2,655,620,377,986,405/77,458,380.99 - Step 6: Final answer
x = 34,284,480.83
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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.