Finding the Fourth Proportional to 141,477,967.97, 195,237,595.99 and 79,598,158.91
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Solution
The fourth proportional to 141,477,967.97, 195,237,595.99 and 79,598,158.91 is: 109,844,334.17
Step by Step Solution
- Step 1: Write the proportion equation
141,477,967.97 : 195,237,595.99 = 79,598,158.91 : x - Step 2: Convert to fraction form
141,477,967.97/195,237,595.99 = 79,598,158.91/x - Step 3: Cross multiply
141,477,967.97x = 195,237,595.99 × 79,598,158.91 - Step 4: Simplify right side
141,477,967.97x = 15,540,553,190,818,398 - Step 5: Solve for x
x = 15,540,553,190,818,398/141,477,967.97 - Step 6: Final answer
x = 109,844,334.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.