Finding the Fourth Proportional to 91,301,231.92, 125,997,235.14 and 49,486,622.98
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Solution
The fourth proportional to 91,301,231.92, 125,997,235.14 and 49,486,622.98 is: 68,292,371.75
Step by Step Solution
- Step 1: Write the proportion equation
91,301,231.92 : 125,997,235.14 = 49,486,622.98 : x - Step 2: Convert to fraction form
91,301,231.92/125,997,235.14 = 49,486,622.98/x - Step 3: Cross multiply
91,301,231.92x = 125,997,235.14 × 49,486,622.98 - Step 4: Simplify right side
91,301,231.92x = 6,235,177,671,895,587 - Step 5: Solve for x
x = 6,235,177,671,895,587/91,301,231.92 - Step 6: Final answer
x = 68,292,371.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.