Finding the Fourth Proportional to 117,904,945.98, 162,709,491.99 and 68,374,727.84
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Solution
The fourth proportional to 117,904,945.98, 162,709,491.99 and 68,374,727.84 is: 94,357,510.96
Step by Step Solution
- Step 1: Write the proportion equation
117,904,945.98 : 162,709,491.99 = 68,374,727.84 : x - Step 2: Convert to fraction form
117,904,945.98/162,709,491.99 = 68,374,727.84/x - Step 3: Cross multiply
117,904,945.98x = 162,709,491.99 × 68,374,727.84 - Step 4: Simplify right side
117,904,945.98x = 11,125,217,232,464,090 - Step 5: Solve for x
x = 11,125,217,232,464,090/117,904,945.98 - Step 6: Final answer
x = 94,357,510.96
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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.