Finding the Fourth Proportional to 118,030,943.36, 162,882,858.74 and 65,106,457.17
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Solution
The fourth proportional to 118,030,943.36, 162,882,858.74 and 65,106,457.17 is: 89,846,997.45
Step by Step Solution
- Step 1: Write the proportion equation
118,030,943.36 : 162,882,858.74 = 65,106,457.17 : x - Step 2: Convert to fraction form
118,030,943.36/162,882,858.74 = 65,106,457.17/x - Step 3: Cross multiply
118,030,943.36x = 162,882,858.74 × 65,106,457.17 - Step 4: Simplify right side
118,030,943.36x = 10,604,725,866,629,392 - Step 5: Solve for x
x = 10,604,725,866,629,392/118,030,943.36 - Step 6: Final answer
x = 89,846,997.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.