Finding the Fourth Proportional to 103,444,768.01, 142,637,804.84 and 84,547,708.26
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Solution
The fourth proportional to 103,444,768.01, 142,637,804.84 and 84,547,708.26 is: 116,581,048.45
Step by Step Solution
- Step 1: Write the proportion equation
103,444,768.01 : 142,637,804.84 = 84,547,708.26 : x - Step 2: Convert to fraction form
103,444,768.01/142,637,804.84 = 84,547,708.26/x - Step 3: Cross multiply
103,444,768.01x = 142,637,804.84 × 84,547,708.26 - Step 4: Simplify right side
103,444,768.01x = 12,059,699,510,937,952 - Step 5: Solve for x
x = 12,059,699,510,937,952/103,444,768.01 - Step 6: Final answer
x = 116,581,048.45
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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.