Finding the Fourth Proportional to 178,212,639.62, 245,984,698.50 and 107,637,039.54
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Solution
The fourth proportional to 178,212,639.62, 245,984,698.50 and 107,637,039.54 is: 148,570,072.11
Step by Step Solution
- Step 1: Write the proportion equation
178,212,639.62 : 245,984,698.50 = 107,637,039.54 : x - Step 2: Convert to fraction form
178,212,639.62/245,984,698.50 = 107,637,039.54/x - Step 3: Cross multiply
178,212,639.62x = 245,984,698.50 × 107,637,039.54 - Step 4: Simplify right side
178,212,639.62x = 26,477,064,718,679,480 - Step 5: Solve for x
x = 26,477,064,718,679,480/178,212,639.62 - Step 6: Final answer
x = 148,570,072.11
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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.