Finding the Fourth Proportional to 66,961,566,165.20, 100,442,349,247.80 and 27,186,395,961.20
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Solution
The fourth proportional to 66,961,566,165.20, 100,442,349,247.80 and 27,186,395,961.20 is: 40,779,593,941.80
Step by Step Solution
- Step 1: Write the proportion equation
66,961,566,165.20 : 100,442,349,247.80 = 27,186,395,961.20 : x - Step 2: Convert to fraction form
66,961,566,165.20/100,442,349,247.80 = 27,186,395,961.20/x - Step 3: Cross multiply
66,961,566,165.20x = 100,442,349,247.80 × 27,186,395,961.20 - Step 4: Simplify right side
66,961,566,165.20x = 2,730,665,477,923,829,972,992 - Step 5: Solve for x
x = 2,730,665,477,923,829,972,992/66,961,566,165.20 - Step 6: Final answer
x = 40,779,593,941.80
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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.