Finding the Fourth Proportional to 246,967,870.68, 370,122,639.21 and 130,355,812.68
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Solution
The fourth proportional to 246,967,870.68, 370,122,639.21 and 130,355,812.68 is: 195,359,976.55
Step by Step Solution
- Step 1: Write the proportion equation
246,967,870.68 : 370,122,639.21 = 130,355,812.68 : x - Step 2: Convert to fraction form
246,967,870.68/370,122,639.21 = 130,355,812.68/x - Step 3: Cross multiply
246,967,870.68x = 370,122,639.21 × 130,355,812.68 - Step 4: Simplify right side
246,967,870.68x = 48,247,637,425,485,984 - Step 5: Solve for x
x = 48,247,637,425,485,984/246,967,870.68 - Step 6: Final answer
x = 195,359,976.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.