Finding the Fourth Proportional to 98,536,273.47, 135,974,562.30 and 54,480,626.19
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Solution
The fourth proportional to 98,536,273.47, 135,974,562.30 and 54,480,626.19 is: 75,180,225.91
Step by Step Solution
- Step 1: Write the proportion equation
98,536,273.47 : 135,974,562.30 = 54,480,626.19 : x - Step 2: Convert to fraction form
98,536,273.47/135,974,562.30 = 54,480,626.19/x - Step 3: Cross multiply
98,536,273.47x = 135,974,562.30 × 54,480,626.19 - Step 4: Simplify right side
98,536,273.47x = 7,407,979,300,015,167 - Step 5: Solve for x
x = 7,407,979,300,015,167/98,536,273.47 - Step 6: Final answer
x = 75,180,225.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.