Finding the Fourth Proportional to 114,040,863.36, 157,506,291.84 and 77,307,661.44
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Solution
The fourth proportional to 114,040,863.36, 157,506,291.84 and 77,307,661.44 is: 106,772,631.54
Step by Step Solution
- Step 1: Write the proportion equation
114,040,863.36 : 157,506,291.84 = 77,307,661.44 : x - Step 2: Convert to fraction form
114,040,863.36/157,506,291.84 = 77,307,661.44/x - Step 3: Cross multiply
114,040,863.36x = 157,506,291.84 × 77,307,661.44 - Step 4: Simplify right side
114,040,863.36x = 12,176,443,084,236,554 - Step 5: Solve for x
x = 12,176,443,084,236,554/114,040,863.36 - Step 6: Final answer
x = 106,772,631.54
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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.