Finding the Fourth Proportional to 84,217,753.94, 126,338,681.43 and 25,930,363.68
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Solution
The fourth proportional to 84,217,753.94, 126,338,681.43 and 25,930,363.68 is: 38,899,255.83
Step by Step Solution
- Step 1: Write the proportion equation
84,217,753.94 : 126,338,681.43 = 25,930,363.68 : x - Step 2: Convert to fraction form
84,217,753.94/126,338,681.43 = 25,930,363.68/x - Step 3: Cross multiply
84,217,753.94x = 126,338,681.43 × 25,930,363.68 - Step 4: Simplify right side
84,217,753.94x = 3,276,007,956,331,562.50 - Step 5: Solve for x
x = 3,276,007,956,331,562.50/84,217,753.94 - Step 6: Final answer
x = 38,899,255.83
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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.