Finding the Fourth Proportional to 75,816,117.70, 113,724,176.55 and 62,211,228.10
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Solution
The fourth proportional to 75,816,117.70, 113,724,176.55 and 62,211,228.10 is: 93,316,842.15
Step by Step Solution
- Step 1: Write the proportion equation
75,816,117.70 : 113,724,176.55 = 62,211,228.10 : x - Step 2: Convert to fraction form
75,816,117.70/113,724,176.55 = 62,211,228.10/x - Step 3: Cross multiply
75,816,117.70x = 113,724,176.55 × 62,211,228.10 - Step 4: Simplify right side
75,816,117.70x = 7,074,920,687,836,721 - Step 5: Solve for x
x = 7,074,920,687,836,721/75,816,117.70 - Step 6: Final answer
x = 93,316,842.15
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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.