Finding the Fourth Proportional to 124,554,934.80, 186,832,402.20 and 59,843,135.70
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Solution
The fourth proportional to 124,554,934.80, 186,832,402.20 and 59,843,135.70 is: 89,764,703.55
Step by Step Solution
- Step 1: Write the proportion equation
124,554,934.80 : 186,832,402.20 = 59,843,135.70 : x - Step 2: Convert to fraction form
124,554,934.80/186,832,402.20 = 59,843,135.70/x - Step 3: Cross multiply
124,554,934.80x = 186,832,402.20 × 59,843,135.70 - Step 4: Simplify right side
124,554,934.80x = 11,180,636,798,011,578 - Step 5: Solve for x
x = 11,180,636,798,011,578/124,554,934.80 - Step 6: Final answer
x = 89,764,703.55
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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.