Finding the Fourth Proportional to 75,422,612.17, 113,087,617.93 and 29,310,639.76
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Solution
The fourth proportional to 75,422,612.17, 113,087,617.93 and 29,310,639.76 is: 43,947,966.47
Step by Step Solution
- Step 1: Write the proportion equation
75,422,612.17 : 113,087,617.93 = 29,310,639.76 : x - Step 2: Convert to fraction form
75,422,612.17/113,087,617.93 = 29,310,639.76/x - Step 3: Cross multiply
75,422,612.17x = 113,087,617.93 × 29,310,639.76 - Step 4: Simplify right side
75,422,612.17x = 3,314,670,430,462,747.50 - Step 5: Solve for x
x = 3,314,670,430,462,747.50/75,422,612.17 - Step 6: Final answer
x = 43,947,966.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.