Finding the Fourth Proportional to 122,591,637,465.12, 183,799,202,431.59 and 75,330,467,103.69
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Solution
The fourth proportional to 122,591,637,465.12, 183,799,202,431.59 and 75,330,467,103.69 is: 112,941,470,223.83
Step by Step Solution
- Step 1: Write the proportion equation
122,591,637,465.12 : 183,799,202,431.59 = 75,330,467,103.69 : x - Step 2: Convert to fraction form
122,591,637,465.12/183,799,202,431.59 = 75,330,467,103.69/x - Step 3: Cross multiply
122,591,637,465.12x = 183,799,202,431.59 × 75,330,467,103.69 - Step 4: Simplify right side
122,591,637,465.12x = 13,845,679,772,457,349,677,056 - Step 5: Solve for x
x = 13,845,679,772,457,349,677,056/122,591,637,465.12 - Step 6: Final answer
x = 112,941,470,223.83
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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.