Finding the Fourth Proportional to 178,212,637.62, 245,984,695.74 and 107,637,037.55
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Solution
The fourth proportional to 178,212,637.62, 245,984,695.74 and 107,637,037.55 is: 148,570,069.36
Step by Step Solution
- Step 1: Write the proportion equation
178,212,637.62 : 245,984,695.74 = 107,637,037.55 : x - Step 2: Convert to fraction form
178,212,637.62/245,984,695.74 = 107,637,037.55/x - Step 3: Cross multiply
178,212,637.62x = 245,984,695.74 × 107,637,037.55 - Step 4: Simplify right side
178,212,637.62x = 26,477,063,931,192,004 - Step 5: Solve for x
x = 26,477,063,931,192,004/178,212,637.62 - Step 6: Final answer
x = 148,570,069.36
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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.