Finding the Fourth Proportional to 90,260,354,917.79, 135,391,109,320.66 and 26,517,440,076.66
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Solution
The fourth proportional to 90,260,354,917.79, 135,391,109,320.66 and 26,517,440,076.66 is: 39,776,329,614.40
Step by Step Solution
- Step 1: Write the proportion equation
90,260,354,917.79 : 135,391,109,320.66 = 26,517,440,076.66 : x - Step 2: Convert to fraction form
90,260,354,917.79/135,391,109,320.66 = 26,517,440,076.66/x - Step 3: Cross multiply
90,260,354,917.79x = 135,391,109,320.66 × 26,517,440,076.66 - Step 4: Simplify right side
90,260,354,917.79x = 3,590,225,628,323,124,871,168 - Step 5: Solve for x
x = 3,590,225,628,323,124,871,168/90,260,354,917.79 - Step 6: Final answer
x = 39,776,329,614.40
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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.