Finding the Fourth Proportional to 122,569,126,497.87, 169,144,924,919.17 and 68,375,631,972.31
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Solution
The fourth proportional to 122,569,126,497.87, 169,144,924,919.17 and 68,375,631,972.31 is: 94,358,110,127.01
Step by Step Solution
- Step 1: Write the proportion equation
122,569,126,497.87 : 169,144,924,919.17 = 68,375,631,972.31 : x - Step 2: Convert to fraction form
122,569,126,497.87/169,144,924,919.17 = 68,375,631,972.31/x - Step 3: Cross multiply
122,569,126,497.87x = 169,144,924,919.17 × 68,375,631,972.31 - Step 4: Simplify right side
122,569,126,497.87x = 11,565,391,136,256,837,025,792 - Step 5: Solve for x
x = 11,565,391,136,256,837,025,792/122,569,126,497.87 - Step 6: Final answer
x = 94,358,110,127.01
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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.