Finding the Fourth Proportional to 91,017,826.08, 125,604,610.64 and 49,764,746.40
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Solution
The fourth proportional to 91,017,826.08, 125,604,610.64 and 49,764,746.40 is: 68,675,355.85
Step by Step Solution
- Step 1: Write the proportion equation
91,017,826.08 : 125,604,610.64 = 49,764,746.40 : x - Step 2: Convert to fraction form
91,017,826.08/125,604,610.64 = 49,764,746.40/x - Step 3: Cross multiply
91,017,826.08x = 125,604,610.64 × 49,764,746.40 - Step 4: Simplify right side
91,017,826.08x = 6,250,681,595,170,342 - Step 5: Solve for x
x = 6,250,681,595,170,342/91,017,826.08 - Step 6: Final answer
x = 68,675,355.85
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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.