Finding the Fourth Proportional to 94,137,725,640.51, 129,908,987,799.79 and 51,317,263,874.79
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Solution
The fourth proportional to 94,137,725,640.51, 129,908,987,799.79 and 51,317,263,874.79 is: 70,817,238,904.70
Step by Step Solution
- Step 1: Write the proportion equation
94,137,725,640.51 : 129,908,987,799.79 = 51,317,263,874.79 : x - Step 2: Convert to fraction form
94,137,725,640.51/129,908,987,799.79 = 51,317,263,874.79/x - Step 3: Cross multiply
94,137,725,640.51x = 129,908,987,799.79 × 51,317,263,874.79 - Step 4: Simplify right side
94,137,725,640.51x = 6,666,573,806,628,697,538,560 - Step 5: Solve for x
x = 6,666,573,806,628,697,538,560/94,137,725,640.51 - Step 6: Final answer
x = 70,817,238,904.70
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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.