Finding the Fourth Proportional to 147,293,330.98, 220,689,967.47 and 88,878,260.05
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Solution
The fourth proportional to 147,293,330.98, 220,689,967.47 and 88,878,260.05 is: 133,166,520.09
Step by Step Solution
- Step 1: Write the proportion equation
147,293,330.98 : 220,689,967.47 = 88,878,260.05 : x - Step 2: Convert to fraction form
147,293,330.98/220,689,967.47 = 88,878,260.05/x - Step 3: Cross multiply
147,293,330.98x = 220,689,967.47 × 88,878,260.05 - Step 4: Simplify right side
147,293,330.98x = 19,614,540,319,224,700 - Step 5: Solve for x
x = 19,614,540,319,224,700/147,293,330.98 - Step 6: Final answer
x = 133,166,520.09
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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.