Finding the Fourth Proportional to 316,878,087.61, 474,981,657.41 and 106,588,582.71
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Solution
The fourth proportional to 316,878,087.61, 474,981,657.41 and 106,588,582.71 is: 159,770,030.35
Step by Step Solution
- Step 1: Write the proportion equation
316,878,087.61 : 474,981,657.41 = 106,588,582.71 : x - Step 2: Convert to fraction form
316,878,087.61/474,981,657.41 = 106,588,582.71/x - Step 3: Cross multiply
316,878,087.61x = 474,981,657.41 × 106,588,582.71 - Step 4: Simplify right side
316,878,087.61x = 50,627,621,676,045,720 - Step 5: Solve for x
x = 50,627,621,676,045,720/316,878,087.61 - Step 6: Final answer
x = 159,770,030.35
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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.