Finding the Fourth Proportional to 119,298,203.18, 164,612,315.10 and 67,084,125.74
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Solution
The fourth proportional to 119,298,203.18, 164,612,315.10 and 67,084,125.74 is: 92,565,293.95
Step by Step Solution
- Step 1: Write the proportion equation
119,298,203.18 : 164,612,315.10 = 67,084,125.74 : x - Step 2: Convert to fraction form
119,298,203.18/164,612,315.10 = 67,084,125.74/x - Step 3: Cross multiply
119,298,203.18x = 164,612,315.10 × 67,084,125.74 - Step 4: Simplify right side
119,298,203.18x = 11,042,873,244,520,900 - Step 5: Solve for x
x = 11,042,873,244,520,900/119,298,203.18 - Step 6: Final answer
x = 92,565,293.95
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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.