Finding the Fourth Proportional to 113,099,720.04, 156,078,239.58 and 63,542,183.40
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Solution
The fourth proportional to 113,099,720.04, 156,078,239.58 and 63,542,183.40 is: 87,688,564.75
Step by Step Solution
- Step 1: Write the proportion equation
113,099,720.04 : 156,078,239.58 = 63,542,183.40 : x - Step 2: Convert to fraction form
113,099,720.04/156,078,239.58 = 63,542,183.40/x - Step 3: Cross multiply
113,099,720.04x = 156,078,239.58 × 63,542,183.40 - Step 4: Simplify right side
113,099,720.04x = 9,917,552,124,141,500 - Step 5: Solve for x
x = 9,917,552,124,141,500/113,099,720.04 - Step 6: Final answer
x = 87,688,564.75
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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.