Finding the Fourth Proportional to 129,637,794.09, 178,899,755.52 and 70,098,673.49
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Solution
The fourth proportional to 129,637,794.09, 178,899,755.52 and 70,098,673.49 is: 96,735,952.95
Step by Step Solution
- Step 1: Write the proportion equation
129,637,794.09 : 178,899,755.52 = 70,098,673.49 : x - Step 2: Convert to fraction form
129,637,794.09/178,899,755.52 = 70,098,673.49/x - Step 3: Cross multiply
129,637,794.09x = 178,899,755.52 × 70,098,673.49 - Step 4: Simplify right side
129,637,794.09x = 12,540,635,549,676,550 - Step 5: Solve for x
x = 12,540,635,549,676,550/129,637,794.09 - Step 6: Final answer
x = 96,735,952.95
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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.