Finding the Fourth Proportional to 111,462,761.31, 153,818,969.91 and 61,903,134.99
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Solution
The fourth proportional to 111,462,761.31, 153,818,969.91 and 61,903,134.99 is: 85,426,525.83
Step by Step Solution
- Step 1: Write the proportion equation
111,462,761.31 : 153,818,969.91 = 61,903,134.99 : x - Step 2: Convert to fraction form
111,462,761.31/153,818,969.91 = 61,903,134.99/x - Step 3: Cross multiply
111,462,761.31x = 153,818,969.91 × 61,903,134.99 - Step 4: Simplify right side
111,462,761.31x = 9,521,876,458,361,478 - Step 5: Solve for x
x = 9,521,876,458,361,478/111,462,761.31 - Step 6: Final answer
x = 85,426,525.83
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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.