Finding the Fourth Proportional to 165,313,181.94, 228,080,823.96 and 93,774,281.91
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Solution
The fourth proportional to 165,313,181.94, 228,080,823.96 and 93,774,281.91 is: 129,379,370.92
Step by Step Solution
- Step 1: Write the proportion equation
165,313,181.94 : 228,080,823.96 = 93,774,281.91 : x - Step 2: Convert to fraction form
165,313,181.94/228,080,823.96 = 93,774,281.91/x - Step 3: Cross multiply
165,313,181.94x = 228,080,823.96 × 93,774,281.91 - Step 4: Simplify right side
165,313,181.94x = 21,388,115,484,290,124 - Step 5: Solve for x
x = 21,388,115,484,290,124/165,313,181.94 - Step 6: Final answer
x = 129,379,370.92
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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.