Finding the Fourth Proportional to 71,532,988.74, 98,717,908.90 and 40,176,563.48
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Solution
The fourth proportional to 71,532,988.74, 98,717,908.90 and 40,176,563.48 is: 55,444,996.82
Step by Step Solution
- Step 1: Write the proportion equation
71,532,988.74 : 98,717,908.90 = 40,176,563.48 : x - Step 2: Convert to fraction form
71,532,988.74/98,717,908.90 = 40,176,563.48/x - Step 3: Cross multiply
71,532,988.74x = 98,717,908.90 × 40,176,563.48 - Step 4: Simplify right side
71,532,988.74x = 3,966,146,333,533,707 - Step 5: Solve for x
x = 3,966,146,333,533,707/71,532,988.74 - Step 6: Final answer
x = 55,444,996.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.