Finding the Fourth Proportional to 117,332,028,589.51, 161,922,110,475.45 and 65,899,651,962.44
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Solution
The fourth proportional to 117,332,028,589.51, 161,922,110,475.45 and 65,899,651,962.44 is: 90,943,716,337.56
Step by Step Solution
- Step 1: Write the proportion equation
117,332,028,589.51 : 161,922,110,475.45 = 65,899,651,962.44 : x - Step 2: Convert to fraction form
117,332,028,589.51/161,922,110,475.45 = 65,899,651,962.44/x - Step 3: Cross multiply
117,332,028,589.51x = 161,922,110,475.45 × 65,899,651,962.44 - Step 4: Simplify right side
117,332,028,589.51x = 10,670,610,725,355,105,812,480 - Step 5: Solve for x
x = 10,670,610,725,355,105,812,480/117,332,028,589.51 - Step 6: Final answer
x = 90,943,716,337.56
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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.