Finding the Fourth Proportional to 92,768,588.91, 128,020,882.19 and 51,515,480.07
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Solution
The fourth proportional to 92,768,588.91, 128,020,882.19 and 51,515,480.07 is: 71,091,489.93
Step by Step Solution
- Step 1: Write the proportion equation
92,768,588.91 : 128,020,882.19 = 51,515,480.07 : x - Step 2: Convert to fraction form
92,768,588.91/128,020,882.19 = 51,515,480.07/x - Step 3: Cross multiply
92,768,588.91x = 128,020,882.19 × 51,515,480.07 - Step 4: Simplify right side
92,768,588.91x = 6,595,057,204,745,186 - Step 5: Solve for x
x = 6,595,057,204,745,186/92,768,588.91 - Step 6: Final answer
x = 71,091,489.93
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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.