Finding the Fourth Proportional to 102,475,013.37, 141,418,890.84 and 56,064,205.23
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Solution
The fourth proportional to 102,475,013.37, 141,418,890.84 and 56,064,205.23 is: 77,370,448.26
Step by Step Solution
- Step 1: Write the proportion equation
102,475,013.37 : 141,418,890.84 = 56,064,205.23 : x - Step 2: Convert to fraction form
102,475,013.37/141,418,890.84 = 56,064,205.23/x - Step 3: Cross multiply
102,475,013.37x = 141,418,890.84 × 56,064,205.23 - Step 4: Simplify right side
102,475,013.37x = 7,928,537,719,452,727 - Step 5: Solve for x
x = 7,928,537,719,452,727/102,475,013.37 - Step 6: Final answer
x = 77,370,448.26
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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.