Finding the Fourth Proportional to 122,634,749.68, 183,878,031.82 and 48,869,877.79
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Solution
The fourth proportional to 122,634,749.68, 183,878,031.82 and 48,869,877.79 is: 73,275,290.79
Step by Step Solution
- Step 1: Write the proportion equation
122,634,749.68 : 183,878,031.82 = 48,869,877.79 : x - Step 2: Convert to fraction form
122,634,749.68/183,878,031.82 = 48,869,877.79/x - Step 3: Cross multiply
122,634,749.68x = 183,878,031.82 × 48,869,877.79 - Step 4: Simplify right side
122,634,749.68x = 8,986,096,943,309,131 - Step 5: Solve for x
x = 8,986,096,943,309,131/122,634,749.68 - Step 6: Final answer
x = 73,275,290.79
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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.