Finding the Fourth Proportional to 77,060,261.91, 106,358,610.65 and 45,715,709.10
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Solution
The fourth proportional to 77,060,261.91, 106,358,610.65 and 45,715,709.10 is: 63,096,843.74
Step by Step Solution
- Step 1: Write the proportion equation
77,060,261.91 : 106,358,610.65 = 45,715,709.10 : x - Step 2: Convert to fraction form
77,060,261.91/106,358,610.65 = 45,715,709.10/x - Step 3: Cross multiply
77,060,261.91x = 106,358,610.65 × 45,715,709.10 - Step 4: Simplify right side
77,060,261.91x = 4,862,259,304,526,983 - Step 5: Solve for x
x = 4,862,259,304,526,983/77,060,261.91 - Step 6: Final answer
x = 63,096,843.74
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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.