Finding the Fourth Proportional to 193,985,389.26, 268,050,009.99 and 138,133,845.18
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Solution
The fourth proportional to 193,985,389.26, 268,050,009.99 and 138,133,845.18 is: 190,874,058.72
Step by Step Solution
- Step 1: Write the proportion equation
193,985,389.26 : 268,050,009.99 = 138,133,845.18 : x - Step 2: Convert to fraction form
193,985,389.26/268,050,009.99 = 138,133,845.18/x - Step 3: Cross multiply
193,985,389.26x = 268,050,009.99 × 138,133,845.18 - Step 4: Simplify right side
193,985,389.26x = 37,026,778,580,456,120 - Step 5: Solve for x
x = 37,026,778,580,456,120/193,985,389.26 - Step 6: Final answer
x = 190,874,058.72
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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.