Finding the Fourth Proportional to 104,564,686.80, 144,329,655.84 and 69,757,291.44
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Solution
The fourth proportional to 104,564,686.80, 144,329,655.84 and 69,757,291.44 is: 96,285,334.70
Step by Step Solution
- Step 1: Write the proportion equation
104,564,686.80 : 144,329,655.84 = 69,757,291.44 : x - Step 2: Convert to fraction form
104,564,686.80/144,329,655.84 = 69,757,291.44/x - Step 3: Cross multiply
104,564,686.80x = 144,329,655.84 × 69,757,291.44 - Step 4: Simplify right side
104,564,686.80x = 10,068,045,865,865,778 - Step 5: Solve for x
x = 10,068,045,865,865,778/104,564,686.80 - Step 6: Final answer
x = 96,285,334.70
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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.