Finding the Fourth Proportional to 197,803,312.20, 296,704,968.30 and 101,057,430.60
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Solution
The fourth proportional to 197,803,312.20, 296,704,968.30 and 101,057,430.60 is: 151,586,145.90
Step by Step Solution
- Step 1: Write the proportion equation
197,803,312.20 : 296,704,968.30 = 101,057,430.60 : x - Step 2: Convert to fraction form
197,803,312.20/296,704,968.30 = 101,057,430.60/x - Step 3: Cross multiply
197,803,312.20x = 296,704,968.30 × 101,057,430.60 - Step 4: Simplify right side
197,803,312.20x = 29,984,241,742,652,448 - Step 5: Solve for x
x = 29,984,241,742,652,448/197,803,312.20 - Step 6: Final answer
x = 151,586,145.90
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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.