Finding the Fourth Proportional to 125,112,899.79, 187,679,562.45 and 62,832,183.75
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Solution
The fourth proportional to 125,112,899.79, 187,679,562.45 and 62,832,183.75 is: 94,253,404.52
Step by Step Solution
- Step 1: Write the proportion equation
125,112,899.79 : 187,679,562.45 = 62,832,183.75 : x - Step 2: Convert to fraction form
125,112,899.79/187,679,562.45 = 62,832,183.75/x - Step 3: Cross multiply
125,112,899.79x = 187,679,562.45 × 62,832,183.75 - Step 4: Simplify right side
125,112,899.79x = 11,792,316,753,978,000 - Step 5: Solve for x
x = 11,792,316,753,978,000/125,112,899.79 - Step 6: Final answer
x = 94,253,404.52
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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.