Finding the Fourth Proportional to 135,256,356.84, 186,652,346.67 and 75,718,142.58
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Solution
The fourth proportional to 135,256,356.84, 186,652,346.67 and 75,718,142.58 is: 104,490,238.60
Step by Step Solution
- Step 1: Write the proportion equation
135,256,356.84 : 186,652,346.67 = 75,718,142.58 : x - Step 2: Convert to fraction form
135,256,356.84/186,652,346.67 = 75,718,142.58/x - Step 3: Cross multiply
135,256,356.84x = 186,652,346.67 × 75,718,142.58 - Step 4: Simplify right side
135,256,356.84x = 14,132,968,998,050,646 - Step 5: Solve for x
x = 14,132,968,998,050,646/135,256,356.84 - Step 6: Final answer
x = 104,490,238.60
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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.