Finding the Fourth Proportional to 219,180,109.14, 302,353,876.71 and 135,521,497.44
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Solution
The fourth proportional to 219,180,109.14, 302,353,876.71 and 135,521,497.44 is: 186,948,762.32
Step by Step Solution
- Step 1: Write the proportion equation
219,180,109.14 : 302,353,876.71 = 135,521,497.44 : x - Step 2: Convert to fraction form
219,180,109.14/302,353,876.71 = 135,521,497.44/x - Step 3: Cross multiply
219,180,109.14x = 302,353,876.71 × 135,521,497.44 - Step 4: Simplify right side
219,180,109.14x = 40,975,450,128,528,336 - Step 5: Solve for x
x = 40,975,450,128,528,336/219,180,109.14 - Step 6: Final answer
x = 186,948,762.32
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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.