Finding the Fourth Proportional to 51,774,624.20, 77,661,936.30 and 48,583,353.80
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Solution
The fourth proportional to 51,774,624.20, 77,661,936.30 and 48,583,353.80 is: 72,875,030.70
Step by Step Solution
- Step 1: Write the proportion equation
51,774,624.20 : 77,661,936.30 = 48,583,353.80 : x - Step 2: Convert to fraction form
51,774,624.20/77,661,936.30 = 48,583,353.80/x - Step 3: Cross multiply
51,774,624.20x = 77,661,936.30 × 48,583,353.80 - Step 4: Simplify right side
51,774,624.20x = 3,773,077,328,055,962.50 - Step 5: Solve for x
x = 3,773,077,328,055,962.50/51,774,624.20 - Step 6: Final answer
x = 72,875,030.70
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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.