Finding the Fourth Proportional to 121,279,267.80, 181,926,774.90 and 63,883,639.80
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Solution
The fourth proportional to 121,279,267.80, 181,926,774.90 and 63,883,639.80 is: 95,829,606.89
Step by Step Solution
- Step 1: Write the proportion equation
121,279,267.80 : 181,926,774.90 = 63,883,639.80 : x - Step 2: Convert to fraction form
121,279,267.80/181,926,774.90 = 63,883,639.80/x - Step 3: Cross multiply
121,279,267.80x = 181,926,774.90 × 63,883,639.80 - Step 4: Simplify right side
121,279,267.80x = 11,622,144,557,687,280 - Step 5: Solve for x
x = 11,622,144,557,687,280/121,279,267.80 - Step 6: Final answer
x = 95,829,606.89
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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.