Finding the Fourth Proportional to 211,828,495.56, 292,402,620.36 and 159,057,646.35
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Solution
The fourth proportional to 211,828,495.56, 292,402,620.36 and 159,057,646.35 is: 219,559,094.06
Step by Step Solution
- Step 1: Write the proportion equation
211,828,495.56 : 292,402,620.36 = 159,057,646.35 : x - Step 2: Convert to fraction form
211,828,495.56/292,402,620.36 = 159,057,646.35/x - Step 3: Cross multiply
211,828,495.56x = 292,402,620.36 × 159,057,646.35 - Step 4: Simplify right side
211,828,495.56x = 46,508,872,581,034,192 - Step 5: Solve for x
x = 46,508,872,581,034,192/211,828,495.56 - Step 6: Final answer
x = 219,559,094.06
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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.