Finding the Fourth Proportional to 99,246,371.16, 136,960,070.28 and 55,192,408.68
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Solution
The fourth proportional to 99,246,371.16, 136,960,070.28 and 55,192,408.68 is: 76,165,567.40
Step by Step Solution
- Step 1: Write the proportion equation
99,246,371.16 : 136,960,070.28 = 55,192,408.68 : x - Step 2: Convert to fraction form
99,246,371.16/136,960,070.28 = 55,192,408.68/x - Step 3: Cross multiply
99,246,371.16x = 136,960,070.28 × 55,192,408.68 - Step 4: Simplify right side
99,246,371.16x = 7,559,156,171,735,282 - Step 5: Solve for x
x = 7,559,156,171,735,282/99,246,371.16 - Step 6: Final answer
x = 76,165,567.40
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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.