Finding the Fourth Proportional to 318,766,470.88, 478,102,117.20 and 88,711,566.88
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Solution
The fourth proportional to 318,766,470.88, 478,102,117.20 and 88,711,566.88 is: 133,054,106.44
Step by Step Solution
- Step 1: Write the proportion equation
318,766,470.88 : 478,102,117.20 = 88,711,566.88 : x - Step 2: Convert to fraction form
318,766,470.88/478,102,117.20 = 88,711,566.88/x - Step 3: Cross multiply
318,766,470.88x = 478,102,117.20 × 88,711,566.88 - Step 4: Simplify right side
318,766,470.88x = 42,413,187,945,457,392 - Step 5: Solve for x
x = 42,413,187,945,457,392/318,766,470.88 - Step 6: Final answer
x = 133,054,106.44
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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.