Finding the Fourth Proportional to 68,593,654,791.84, 102,855,153,982.21 and 30,787,820,133.75
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Solution
The fourth proportional to 68,593,654,791.84, 102,855,153,982.21 and 30,787,820,133.75 is: 46,165,873,363.12
Step by Step Solution
- Step 1: Write the proportion equation
68,593,654,791.84 : 102,855,153,982.21 = 30,787,820,133.75 : x - Step 2: Convert to fraction form
68,593,654,791.84/102,855,153,982.21 = 30,787,820,133.75/x - Step 3: Cross multiply
68,593,654,791.84x = 102,855,153,982.21 × 30,787,820,133.75 - Step 4: Simplify right side
68,593,654,791.84x = 3,166,685,980,633,441,763,328 - Step 5: Solve for x
x = 3,166,685,980,633,441,763,328/68,593,654,791.84 - Step 6: Final answer
x = 46,165,873,363.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.