Finding the Fourth Proportional to 254,544,657.91, 381,520,855.99 and 145,446,316.00
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Solution
The fourth proportional to 254,544,657.91, 381,520,855.99 and 145,446,316.00 is: 218,000,265.40
Step by Step Solution
- Step 1: Write the proportion equation
254,544,657.91 : 381,520,855.99 = 145,446,316.00 : x - Step 2: Convert to fraction form
254,544,657.91/381,520,855.99 = 145,446,316.00/x - Step 3: Cross multiply
254,544,657.91x = 381,520,855.99 × 145,446,316.00 - Step 4: Simplify right side
254,544,657.91x = 55,490,802,980,140,040 - Step 5: Solve for x
x = 55,490,802,980,140,040/254,544,657.91 - Step 6: Final answer
x = 218,000,265.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.