Finding the Fourth Proportional to 354,827,661.20, 532,241,491.80 and 160,832,013.20
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Solution
The fourth proportional to 354,827,661.20, 532,241,491.80 and 160,832,013.20 is: 241,248,019.80
Step by Step Solution
- Step 1: Write the proportion equation
354,827,661.20 : 532,241,491.80 = 160,832,013.20 : x - Step 2: Convert to fraction form
354,827,661.20/532,241,491.80 = 160,832,013.20/x - Step 3: Cross multiply
354,827,661.20x = 532,241,491.80 × 160,832,013.20 - Step 4: Simplify right side
354,827,661.20x = 85,601,470,634,765,280 - Step 5: Solve for x
x = 85,601,470,634,765,280/354,827,661.20 - Step 6: Final answer
x = 241,248,019.80
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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.