Finding the Fourth Proportional to 124,346,822.02, 171,595,584.06 and 68,591,021.65
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Solution
The fourth proportional to 124,346,822.02, 171,595,584.06 and 68,591,021.65 is: 94,653,938.32
Step by Step Solution
- Step 1: Write the proportion equation
124,346,822.02 : 171,595,584.06 = 68,591,021.65 : x - Step 2: Convert to fraction form
124,346,822.02/171,595,584.06 = 68,591,021.65/x - Step 3: Cross multiply
124,346,822.02x = 171,595,584.06 × 68,591,021.65 - Step 4: Simplify right side
124,346,822.02x = 11,769,916,421,776,302 - Step 5: Solve for x
x = 11,769,916,421,776,302/124,346,822.02 - Step 6: Final answer
x = 94,653,938.32
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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.