Finding the Fourth Proportional to 66,961,566,134.45, 100,442,349,201.67 and 60,336,675,772.55
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Solution
The fourth proportional to 66,961,566,134.45, 100,442,349,201.67 and 60,336,675,772.55 is: 90,505,013,658.82
Step by Step Solution
- Step 1: Write the proportion equation
66,961,566,134.45 : 100,442,349,201.67 = 60,336,675,772.55 : x - Step 2: Convert to fraction form
66,961,566,134.45/100,442,349,201.67 = 60,336,675,772.55/x - Step 3: Cross multiply
66,961,566,134.45x = 100,442,349,201.67 × 60,336,675,772.55 - Step 4: Simplify right side
66,961,566,134.45x = 6,060,357,457,614,409,302,016 - Step 5: Solve for x
x = 6,060,357,457,614,409,302,016/66,961,566,134.45 - Step 6: Final answer
x = 90,505,013,658.82
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1.5x scale
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.