Finding the Fourth Proportional to 92,836,284.36, 128,117,143.98 and 51,021,831.79
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Solution
The fourth proportional to 92,836,284.36, 128,117,143.98 and 51,021,831.79 is: 70,411,815.97
Step by Step Solution
- Step 1: Write the proportion equation
92,836,284.36 : 128,117,143.98 = 51,021,831.79 : x - Step 2: Convert to fraction form
92,836,284.36/128,117,143.98 = 51,021,831.79/x - Step 3: Cross multiply
92,836,284.36x = 128,117,143.98 × 51,021,831.79 - Step 4: Simplify right side
92,836,284.36x = 6,536,771,369,562,771 - Step 5: Solve for x
x = 6,536,771,369,562,771/92,836,284.36 - Step 6: Final answer
x = 70,411,815.97
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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.