Finding the Fourth Proportional to 268,118,926.40, 402,377,455.20 and 106,676,724.80
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Solution
The fourth proportional to 268,118,926.40, 402,377,455.20 and 106,676,724.80 is: 160,094,289.61
Step by Step Solution
- Step 1: Write the proportion equation
268,118,926.40 : 402,377,455.20 = 106,676,724.80 : x - Step 2: Convert to fraction form
268,118,926.40/402,377,455.20 = 106,676,724.80/x - Step 3: Cross multiply
268,118,926.40x = 402,377,455.20 × 106,676,724.80 - Step 4: Simplify right side
268,118,926.40x = 42,924,309,054,094,728 - Step 5: Solve for x
x = 42,924,309,054,094,728/268,118,926.40 - Step 6: Final answer
x = 160,094,289.61
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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.