Finding the Fourth Proportional to 83,765,760.45, 125,648,677.12 and 26,262,515.04
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Solution
The fourth proportional to 83,765,760.45, 125,648,677.12 and 26,262,515.04 is: 39,393,783.99
Step by Step Solution
- Step 1: Write the proportion equation
83,765,760.45 : 125,648,677.12 = 26,262,515.04 : x - Step 2: Convert to fraction form
83,765,760.45/125,648,677.12 = 26,262,515.04/x - Step 3: Cross multiply
83,765,760.45x = 125,648,677.12 × 26,262,515.04 - Step 4: Simplify right side
83,765,760.45x = 3,299,850,272,620,104 - Step 5: Solve for x
x = 3,299,850,272,620,104/83,765,760.45 - Step 6: Final answer
x = 39,393,783.99
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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.