Finding the Fourth Proportional to 328,074,031.18, 492,029,138.15 and 128,693,840.58
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Solution
The fourth proportional to 328,074,031.18, 492,029,138.15 and 128,693,840.58 is: 193,008,630.52
Step by Step Solution
- Step 1: Write the proportion equation
328,074,031.18 : 492,029,138.15 = 128,693,840.58 : x - Step 2: Convert to fraction form
328,074,031.18/492,029,138.15 = 128,693,840.58/x - Step 3: Cross multiply
328,074,031.18x = 492,029,138.15 × 128,693,840.58 - Step 4: Simplify right side
328,074,031.18x = 63,321,119,465,790,896 - Step 5: Solve for x
x = 63,321,119,465,790,896/328,074,031.18 - Step 6: Final answer
x = 193,008,630.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.