Finding the Fourth Proportional to 103,444,769.01, 142,637,806.22 and 84,547,709.26
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Solution
The fourth proportional to 103,444,769.01, 142,637,806.22 and 84,547,709.26 is: 116,581,049.82
Step by Step Solution
- Step 1: Write the proportion equation
103,444,769.01 : 142,637,806.22 = 84,547,709.26 : x - Step 2: Convert to fraction form
103,444,769.01/142,637,806.22 = 84,547,709.26/x - Step 3: Cross multiply
103,444,769.01x = 142,637,806.22 × 84,547,709.26 - Step 4: Simplify right side
103,444,769.01x = 12,059,699,769,772,780 - Step 5: Solve for x
x = 12,059,699,769,772,780/103,444,769.01 - Step 6: Final answer
x = 116,581,049.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.